{
  "name": "Reference Source",
  "description": "Sourced reference datasets. Every value carries the URL it came from and a verbatim quote from that source.",
  "url": "https://referencesource.org/",
  "documentation": "https://referencesource.org/method/",
  "summary": true,
  "full_catalog": "https://referencesource.org/catalog.json",
  "url_pattern": "https://referencesource.org/<slug>/",
  "data_pattern": "https://referencesource.org/<slug>/data.json",
  "datasets_total": 279,
  "note": "Each description is the first sentence only. The full scope statement for every dataset is at https://referencesource.org/catalog.json and on each dataset's own page.",
  "datasets": [
    {
      "slug": "abandoned-vehicle-private-property-timelines-by-state",
      "title": "How long before a car left on your property or towed from it can legally be sold \u2014 by US state",
      "records": 45,
      "last_verified": "2026-08-19",
      "description": "State-by-state comparison of the legal timeline for a vehicle left on private property (or towed from it) to be classified abandoned, held, noticed, and eventually sold or junked."
    },
    {
      "slug": "ai-model-deprecation-and-retirement",
      "title": "AI model deprecation and retirement dates by provider",
      "records": 367,
      "last_verified": "2026-09-01",
      "description": "Which AI API models are deprecated or retired, when the deprecation was announced, when the model shuts off, and what the recommended replacement is \u2014 sourced from each provider's own documentation."
    },
    {
      "slug": "ai-training-data-use-by-vendor",
      "title": "Does this vendor train AI models on your data? Per-product, per-tier, quoted from the current policy",
      "records": 14,
      "last_verified": "2026-08-10",
      "description": "For each software vendor and each plan tier, whether customer content is used to train the vendor's or a subprocessor's AI models, quoted verbatim from the vendor's own current terms, DPA or trust page, with the date the page was read."
    },
    {
      "slug": "aim-act-refrigerant-gwp-sector-limits",
      "title": "US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)",
      "records": 71,
      "last_verified": "2026-09-01",
      "description": "Federal sector-specific maximum GWP values for refrigerants and HFC-containing products under the AIM Act Technology Transitions rule (40 CFR 84.54)."
    },
    {
      "slug": "aircraft-inspection-and-test-intervals",
      "title": "Aircraft inspection and test intervals under 14 CFR Part 91",
      "records": 13,
      "last_verified": "2026-08-06",
      "description": "How often each required aircraft inspection, test or check must be done under Part 91, in the unit the regulation actually uses."
    },
    {
      "slug": "ansi-to-iso-roller-chain-cross-reference",
      "title": "ANSI roller chain sizes and their ISO 606 A-series and BS/DIN B-series counterparts",
      "records": 10,
      "last_verified": "2026-09-01",
      "description": "Industrial roller chain is sold under two numbering systems that look interchangeable and are not."
    },
    {
      "slug": "ap-exam-credit-by-university",
      "title": "AP exam score to college credit, compared across universities",
      "records": 221,
      "last_verified": "2026-08-05",
      "description": "What each university actually grants for a given AP exam score: which course the credit maps to, how many units or credit hours, and the minimum score required."
    },
    {
      "slug": "appliance-fault-error-codes",
      "title": "Appliance fault and error codes",
      "records": 161,
      "last_verified": "2026-08-04",
      "description": "Error/fault codes displayed by major home appliances (dishwashers, washing machines), with the manufacturer, appliance type, code, and what the code means."
    },
    {
      "slug": "asbestos-notification-requirements-by-state",
      "title": "Asbestos Abatement Notification Requirements, Thresholds, and Fees by State",
      "records": 7,
      "last_verified": "2026-09-01",
      "description": "Notification requirements for asbestos abatement and demolition projects vary by state."
    },
    {
      "slug": "assisted-living-facility-staffing-ratios-by-state",
      "title": "Assisted living facility minimum staffing requirements by US state \u2014 how many staff must be on duty, and what that guarantees",
      "records": 85,
      "last_verified": "2026-09-01",
      "description": "State-by-state comparison of minimum staffing requirements for assisted living facilities (distinct from nursing homes/skilled nursing facilities, which run under a separate federal-plus-state regime)."
    },
    {
      "slug": "auto-insurance-minimums",
      "title": "Minimum auto liability insurance limits by state",
      "records": 51,
      "last_verified": "2026-08-10",
      "description": "The minimum auto liability insurance a driver must carry in each US state and DC, as bodily injury per person, bodily injury per accident, and property damage per accident (the '25/50/10' shorthand), sourced one state at a time from that state's own statute\u2026"
    },
    {
      "slug": "bank-enforcement-actions",
      "title": "Federal Reserve enforcement actions against banks and holding companies: action type, effective date and whether it has been terminated",
      "records": 1559,
      "last_verified": "2026-09-01",
      "description": "Which US banking organisations are or have been subject to a Federal Reserve supervisory enforcement action, what kind of action it is, when it took effect, and whether the Board has since terminated it."
    },
    {
      "slug": "bike-drivetrain-groupset-compatibility",
      "title": "Bike drivetrain and groupset compatibility",
      "records": 85,
      "last_verified": "2026-08-11",
      "description": "Which bicycle drivetrain components work together, from the manufacturers' own compatibility documents: which cassette fits which driver body or freehub spline, which chain, derailleur and crankset belong to the same system, and what spacer or adapter a\u2026"
    },
    {
      "slug": "birth-certificate-fees-by-state",
      "title": "Ordering a birth certificate: each state's own fee and process",
      "records": 14,
      "last_verified": "2026-08-18",
      "description": "For each US state (and DC, NYC and the territories \u2014 57 vital-records jurisdictions): what a certified birth certificate costs when ordered directly from the state's vital records office, how to order, and what the state itself says about third-party ordering\u2026"
    },
    {
      "slug": "blood-donor-deferral-criteria",
      "title": "Blood donor deferral criteria compared across national blood services",
      "records": 111,
      "last_verified": "2026-09-01",
      "description": "How long you must wait before giving blood, by reason, compared across the American Red Cross (US), JPAC / the UK Blood and Tissue Services, Canadian Blood Services and the Irish Blood Transfusion Service."
    },
    {
      "slug": "boiler-inspection-requirements-by-state",
      "title": "US boiler and pressure vessel inspection requirements by state",
      "records": 55,
      "last_verified": "2026-08-05",
      "description": "State-by-state comparison of boiler and pressure vessel inspection requirements across all US states."
    },
    {
      "slug": "boiler-pressure-vessel-stamp-requirements-by-jurisdiction",
      "title": "ASME Code Section stamps and National Board stamps required for boilers and pressure vessels in each US state, Canadian province and US city, county or territory",
      "records": 79,
      "last_verified": "2026-08-28",
      "description": "Which ASME Code Section stamps and which National Board stamps each jurisdiction requires on a boiler or pressure vessel, from the National Board Synopsis (NB-370)."
    },
    {
      "slug": "building-energy-benchmarking-requirements",
      "title": "Building Energy Benchmarking and Performance Standard Requirements by Jurisdiction",
      "records": 8,
      "last_verified": "2026-08-15",
      "description": "Which US cities and states require commercial buildings to report annual energy consumption, the square footage threshold above which reporting is mandatory, the annual reporting deadline, whether emissions reduction targets or performance standards apply\u2026"
    },
    {
      "slug": "building-permit-validity-and-renewal",
      "title": "Building permit expiry, progress and renewal rules by jurisdiction",
      "records": 7,
      "last_verified": "2026-09-01",
      "description": "How long a building permit stays valid, what keeps it alive, what it costs to renew once it has lapsed, and how the local rule differs from the model-code section it amends."
    },
    {
      "slug": "ca-issuance-validity",
      "title": "TLS certificate maximum validity by Certificate Authority: what each CA actually issues today",
      "records": 22,
      "last_verified": "2026-08-18",
      "description": "Per-CA table of the maximum TLS certificate validity period each publicly-trusted Certificate Authority actually issues today, with the date the current limit took effect and any announced future reductions."
    },
    {
      "slug": "camera-lens-body-adapter-compatibility",
      "title": "Camera mount flange focal distance and adapter feasibility",
      "records": 191,
      "last_verified": "2026-08-13",
      "description": "Flange focal distance, throat diameter, mount type, sensor format and production years for interchangeable-lens camera mounts."
    },
    {
      "slug": "carbide-insert-grade-cross-reference",
      "title": "Carbide insert grade cross-reference by ISO application group and manufacturer",
      "records": 184,
      "last_verified": "2026-08-11",
      "description": "Which carbide insert grades from different manufacturers fall into the same ISO application group (P, M, K, N, S, H)."
    },
    {
      "slug": "catalytic-converter-theft-laws-by-state",
      "title": "Catalytic converter sale and possession laws by US state \u2014 who can legally buy a used converter, and what a seller must prove",
      "records": 7,
      "last_verified": "2026-08-19",
      "description": "State-by-state comparison of the laws passed 2021-2024 restricting who may buy, sell, or possess a detached catalytic converter, in response to a national wave of theft."
    },
    {
      "slug": "cctld-local-presence-eligibility-cross-reference",
      "title": "Country-code top-level domain (ccTLD) local presence and eligibility requirements cross-reference",
      "records": 39,
      "last_verified": "2026-08-26",
      "description": "Many country-code top-level domains (ccTLDs) -- .ca, .us, .au and roughly 250 others -- restrict who may register a domain, requiring some form of local presence: citizenship, permanent residency, local incorporation, or a substitute path such as a national\u2026"
    },
    {
      "slug": "cdl-disqualification-offenses-and-periods",
      "title": "FMCSA commercial driver disqualification offenses and periods",
      "records": 96,
      "last_verified": "2026-09-01",
      "description": "Every offense that triggers mandatory disqualification of a commercial driver's license (CDL) holder under 49 CFR 383.51, with the disqualification period for each combination of offense, vehicle type (CMV, non-CMV, hazmat), and occurrence count (first\u2026"
    },
    {
      "slug": "cdl-endorsement-prerequisites",
      "title": "CDL endorsement prerequisites and testing sequence",
      "records": 5,
      "last_verified": "2026-09-01",
      "description": "Getting a CDL endorsement is a sequence, not a single application: which test type is required (knowledge-only vs. knowledge plus skills), whether the endorsement can be added at the commercial-learner's-permit (CLP) stage or only after a full CDL, and \u2014 for\u2026"
    },
    {
      "slug": "certification-standards-equivalence",
      "title": "Certification marks and hazardous-area classifications: cross-market equivalences",
      "records": 200,
      "last_verified": "2026-08-11",
      "description": "Which product-safety certification mark applies in which market, who administers it and under what law (CE, UL, CSA, CCC, PSE, KC, BSMI, RCM, EAC, NOM, INMETRO and others), and how the two hazardous-area classification systems map onto each other: NEC\u2026"
    },
    {
      "slug": "cga-cylinder-valve-connection-by-gas",
      "title": "CGA cylinder valve connection number by gas",
      "records": 117,
      "last_verified": "2026-08-28",
      "description": "Which Compressed Gas Association (CGA) valve outlet/connection number a given gas uses in North America, e.g. 'Acetylene -> CGA 510', 'Oxygen -> CGA 540 (or 296b0)'."
    },
    {
      "slug": "chemical-elastomer-material-compatibility",
      "title": "Chemical resistance ratings for common elastomers",
      "records": 2086,
      "last_verified": "2026-09-01",
      "description": "The compatibility rating of a chemical against thirteen common elastomer families, as published in an industry chemical resistance chart."
    },
    {
      "slug": "chemical-regulatory-reporting-thresholds",
      "title": "US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)",
      "records": 1340,
      "last_verified": "2026-09-01",
      "description": "Cross-program comparison of federal regulatory thresholds for hazardous chemicals."
    },
    {
      "slug": "chemical-resistant-glove-breakthrough-times",
      "title": "MAPA Professional glove chemical breakthrough times",
      "records": 753,
      "last_verified": "2026-09-01",
      "description": "Per-chemical breakthrough time, permeation level and degradation rating for all 25 MAPA Professional glove models that publish a chemical chart \u2014 the reusable chemical-protection range, the disposable range and the liquidproof range \u2014 drawn from MAPA's own\u2026"
    },
    {
      "slug": "clean-air-act-major-source-thresholds",
      "title": "Clean Air Act \"major source\" emission thresholds by pollutant and area classification",
      "records": 15,
      "last_verified": "2026-09-01",
      "description": "Whether a stationary source (a factory, plant, or facility) needs a federal Clean Air Act permit turns on whether its potential to emit crosses a tons-per-year (tpy) threshold -- and 'major source' is not one number but several, set by different regulations\u2026"
    },
    {
      "slug": "clep-credit-by-university",
      "title": "CLEP exam credit policies by university",
      "records": 130,
      "last_verified": "2026-08-18",
      "description": "Which CLEP exams each university accepts for credit, the minimum scaled score required, the course credit awarded, and any cap on total credit-by-exam hours \u2014 one record per exam per institution, from the institution's own registrar/admissions page."
    },
    {
      "slug": "commercial-refrigeration-controller-alarm-codes-by-brand",
      "title": "Commercial refrigeration controller alarm code lookup by brand",
      "records": 58,
      "last_verified": "2026-08-27",
      "description": "What the alarm or fault code shown on a walk-in cooler/freezer digital temperature controller means, taken from each manufacturer's own manual."
    },
    {
      "slug": "competitive-bid-thresholds-by-state",
      "title": "Competitive bid thresholds for local government by US state \u2014 the dollar amount at which a city, county or school district must formally bid, with statutory citations",
      "records": 13,
      "last_verified": "2026-08-19",
      "description": "State-by-state dollar thresholds at which a local government must put a purchase or a construction project out to formal competitive bidding."
    },
    {
      "slug": "con-capital-expenditure-thresholds-by-state",
      "title": "Certificate of Need capital expenditure thresholds by US state \u2014 dollar thresholds by facility type, covered services, reviewing agencies, and program status",
      "records": 13,
      "last_verified": "2026-08-19",
      "description": "State-by-state comparison of Certificate of Need (CON) program requirements for healthcare facilities."
    },
    {
      "slug": "conforming-loan-limits",
      "title": "2026 conforming loan limits by county: one- to four-unit properties",
      "records": 3235,
      "last_verified": "2026-09-01",
      "description": "The 2026 FHFA conforming loan limit AND the 2026 FHA (HUD) forward-mortgage loan limit for every US county, for properties of one to four units."
    },
    {
      "slug": "construction-prompt-payment-deadlines-by-state",
      "title": "Construction prompt payment act deadlines by US state \u2014 owner-to-contractor and contractor-to-subcontractor payment windows, retention release deadlines, and late-payment interest rates",
      "records": 43,
      "last_verified": "2026-09-01",
      "description": "State-by-state comparison of the statutory deadlines that govern how quickly parties on a construction project must pay each other."
    },
    {
      "slug": "construction-retainage-limits-by-state",
      "title": "Construction retainage limits by US state \u2014 maximum withholding percentages, release deadlines, escrow requirements, and public vs private distinctions with statutory citations",
      "records": 30,
      "last_verified": "2026-08-17",
      "description": "State-by-state comparison of the statutory rules governing retainage (retention) on construction contracts."
    },
    {
      "slug": "cpa-licensure-pathway-by-state",
      "title": "CPA licensure pathway by state",
      "records": 9,
      "last_verified": "2026-08-31",
      "description": "Whether a state now licenses CPAs on a 120-credit-hour pathway (bachelor's degree plus one or two years of experience, no fifth year of school required) or still requires the traditional 150 credit hours, and the date the newer pathway took effect."
    },
    {
      "slug": "cpsc-consumer-product-recalls-current",
      "title": "Current CPSC consumer product recalls, with hazard and remedy",
      "records": 398,
      "last_verified": "2026-09-01",
      "description": "Every consumer product recall the U.S. Consumer Product Safety Commission announced in 2026, one record per recall, with the hazard CPSC states, the remedy it directs consumers to, how many units are affected, the incidents and injuries reported, the\u2026"
    },
    {
      "slug": "criminal-record-expungement-waiting-periods-by-state",
      "title": "Criminal record expungement and sealing waiting periods by state",
      "records": 43,
      "last_verified": "2026-09-02",
      "description": "How long after a conviction can someone petition to expunge or seal it?"
    },
    {
      "slug": "data-breach-notification-clocks",
      "title": "US state data breach notification deadlines by state",
      "records": 18,
      "last_verified": "2026-08-18",
      "description": "US state-by-state data breach notification requirements: how many days a business has to notify affected residents after discovering a breach, the deadline and resident-count threshold for notifying the state Attorney General (or equivalent regulator), and\u2026"
    },
    {
      "slug": "dea-controlled-substance-schedule-by-drug",
      "title": "Federal controlled substance schedule (I-V) by drug, with DEA code number",
      "records": 591,
      "last_verified": "2026-09-01",
      "description": "Every substance named in the federal drug schedules at 21 CFR 1308.11-1308.15, with the schedule it sits in, its DEA Controlled Substances Code Number, the class it is listed under, and the exact paragraph of the regulation the entry comes from."
    },
    {
      "slug": "dea-telemedicine-prescribing-flexibility-extensions",
      "title": "DEA telemedicine controlled-substance prescribing flexibility -- extension history",
      "records": 4,
      "last_verified": "2026-08-31",
      "description": "Under the Ryan Haight Act a practitioner may normally prescribe a controlled substance only after at least one in-person evaluation of that patient."
    },
    {
      "slug": "deer-season-dates-by-state",
      "title": "Deer hunting season dates by state, 2026\u201327: archery, firearm and muzzleloader seasons from state wildlife agencies",
      "records": 4,
      "last_verified": "2026-08-11",
      "description": "The 2026\u201327 deer season dates for each US state, one record per state per season type (archery, firearm/gun, muzzleloader, youth), taken from the state wildlife agency's own published season table."
    },
    {
      "slug": "discontinued-part-replacement-mapping",
      "title": "Discontinued electronic component replacement mapping",
      "records": 28,
      "last_verified": "2026-08-03",
      "description": "Discontinued electronic components and their manufacturer-suggested replacements, with last-time-buy and last-ship dates where published."
    },
    {
      "slug": "dot-cdl-medical-disqualifying-conditions",
      "title": "Medical conditions that disqualify a commercial driver under 49 CFR 391.41",
      "records": 17,
      "last_verified": "2026-09-01",
      "description": "The physical qualification standards every interstate commercial driver (truck or bus, CDL or not) must meet under 49 CFR 391.41(b), one record per numbered clause: diabetes treated with insulin, high blood pressure, epilepsy, respiratory dysfunction\u2026"
    },
    {
      "slug": "dot-hazmat-placarding-thresholds",
      "title": "DOT hazmat placarding requirements by hazard class (any-quantity vs. 1,001 lb threshold)",
      "records": 23,
      "last_verified": "2026-09-01",
      "description": "A shipment of hazardous material must be placarded on the transport vehicle, and which placard applies -- and whether it is required at any quantity or only once the aggregate gross weight of that class crosses 1,001 lb (454 kg) -- is fixed by two tables in\u2026"
    },
    {
      "slug": "dot-random-drug-alcohol-testing-rates-by-mode",
      "title": "DOT minimum random drug and alcohol testing rates by transportation mode",
      "records": 7,
      "last_verified": "2026-08-19",
      "description": "Every DOT-regulated transportation employer (aviation, transit, rail, trucking/motor carrier, pipeline) must randomly drug- and/or alcohol-test a minimum percentage of its safety-sensitive workforce each calendar year, but each modal agency sets and\u2026"
    },
    {
      "slug": "drill-tap-decimal-equivalents",
      "title": "Tap drill size and drill-size decimal equivalents",
      "records": 570,
      "last_verified": "2026-08-31",
      "description": "Two related lookups machinists and hobbyists need together: (1) which tap drill to use for a given inch or metric thread (e.g."
    },
    {
      "slug": "drinking-water-contaminant-limits",
      "title": "Drinking water contaminant limits by regulator",
      "records": 182,
      "last_verified": "2026-09-01",
      "description": "The legally enforceable maximum concentration of a contaminant in public drinking water, stated separately by each regulator that sets one."
    },
    {
      "slug": "driver-license-points-thresholds-by-state",
      "title": "Driver's license point systems: suspension thresholds and lookback periods by US state",
      "records": 14,
      "last_verified": "2026-08-19",
      "description": "For each US state that runs a demerit-point system: how many points trigger a license suspension, over what lookback period, and for how long the suspension runs \u2014 sourced from each state's statute or DMV rule."
    },
    {
      "slug": "drug-price-transparency-thresholds",
      "title": "State drug price transparency reporting thresholds, triggers, and penalties for pharmaceutical manufacturers",
      "records": 10,
      "last_verified": "2026-09-01",
      "description": "State-by-state comparison of the dollar thresholds and percentage-increase triggers that require pharmaceutical manufacturers to report drug pricing information to state regulatory agencies."
    },
    {
      "slug": "drug-shortage-duration-tracker",
      "title": "FDA drug shortage duration tracker",
      "records": 1169,
      "last_verified": "2026-09-01",
      "description": "For every package FDA currently lists as in shortage: how long that shortage entry has been open (from openFDA's own `initial_posting_date` to today), what FDA says the package's supply is right now, and any recovery estimate FDA has given."
    },
    {
      "slug": "duplicate-vehicle-title-fee-by-state",
      "title": "Duplicate vehicle title fee and processing time by state",
      "records": 50,
      "last_verified": "2026-08-28",
      "description": "What it costs and how long it takes to replace a lost, stolen or destroyed vehicle title, state by state, sourced from each state's own DMV/DOR/county-clerk page rather than a third-party blog."
    },
    {
      "slug": "electrician-licence-progression-by-state",
      "title": "Electrician licence progression: training hours and prerequisites by US state",
      "records": 2,
      "last_verified": "2026-08-30",
      "description": "What it takes to move up the electrician licence ladder in each US state: the on-the-job training hours, the classroom hours, the licence you must already hold and for how long, and the separate hour threshold that lets you sit the exam before you qualify for\u2026"
    },
    {
      "slug": "electrician-licence-reciprocity-by-state",
      "title": "Electrician licence reciprocity by state: which states accept which licences, in which direction, on what conditions",
      "records": 15,
      "last_verified": "2026-08-30",
      "description": "Which states will licence an electrician on the strength of another state's licence, per licensing board, with the direction and the conditions kept \u2014 the two things every aggregator flattens."
    },
    {
      "slug": "elevator-inspection-requirements-by-state",
      "title": "How often elevators must be inspected in each US state: intervals, filing rules, fees and the ASME A17.1 edition enforced",
      "records": 5,
      "last_verified": "2026-08-30",
      "description": "Per-state elevator inspection requirements: how often a passenger elevator must be inspected, who performs and files the inspection, the filing fee and deadline, the penalty for a missed inspection, and which edition of the ASME A17.1 safety code the state\u2026"
    },
    {
      "slug": "energy-code-adoption-by-state",
      "title": "Which energy code each US state enforces for new homes: the IECC edition (or state equivalent) actually in force, with effective dates and amendments, from the state rules themselves",
      "records": 9,
      "last_verified": "2026-08-30",
      "description": "Which residential energy code is actually in force in a state, taken from the state's own rule or building-code authority, with the effective date and \u2014 where the rule states them \u2014 the state's amendments to it."
    },
    {
      "slug": "english-test-score-equivalence",
      "title": "TOEFL iBT score equivalence: IELTS bands, CEFR levels and the 2026 1\u20136 scale, as published by ETS",
      "records": 336,
      "last_verified": "2026-08-30",
      "description": "What a TOEFL iBT score is worth on the other scales admissions offices use, taken from ETS's own published concordance tables: TOEFL iBT total and section scores against IELTS Academic bands, TOEFL iBT scores against CEFR levels, and the mapping between the\u2026"
    },
    {
      "slug": "epa-water-quality-criteria-human-health",
      "title": "EPA national recommended water quality criteria for human health: pollutant concentration thresholds",
      "records": 127,
      "last_verified": "2026-08-30",
      "description": "EPA Section 304(a) recommended human health ambient water quality criteria for ~120 pollutants."
    },
    {
      "slug": "epcra-tier-ii-state-reporting-thresholds",
      "title": "EPCRA Tier II hazardous chemical inventory reporting thresholds by state",
      "records": 19,
      "last_verified": "2026-08-30",
      "description": "The quantity threshold at which a facility must file an annual Tier II hazardous chemical inventory report in each US state, compared to the federal EPCRA Section 312 baseline."
    },
    {
      "slug": "esab-filler-metal-recommendations-by-astm-steel-grade",
      "title": "ESAB recommended filler metals and suggested preheat group, by ASTM steel grade",
      "records": 794,
      "last_verified": "2026-08-31",
      "description": "Which filler metals ESAB recommends for welding a given ASTM steel grade, and which of its four preheat groups (A-D) that grade falls in."
    },
    {
      "slug": "eviction-notice-periods-for-nonpayment-by-state",
      "title": "Eviction notice periods for nonpayment of rent by US state \u2014 how long a landlord must wait, quoted from the state statute",
      "records": 10,
      "last_verified": "2026-09-02",
      "description": "Before a landlord can file an eviction for nonpayment of rent, nearly every state requires a written demand or notice and a waiting period \u2014 three days in California, Florida and Texas, five in Illinois and Arizona, ten in Pennsylvania, fourteen in\u2026"
    },
    {
      "slug": "ex-classification-system-crosswalk",
      "title": "North American vs IEC/ATEX explosion protection designations",
      "records": 65,
      "last_verified": "2026-08-30",
      "description": "Crosswalk between the two concurrent hazardous-area classification systems: the North American Class / Division system of NEC Articles 500 and 505 (NFPA 70) and the CSA code, against the Zone system of IEC 60079, ATEX and IECEx."
    },
    {
      "slug": "faa-drone-weight-thresholds",
      "title": "FAA drone weight thresholds that trigger a different rule set",
      "records": 5,
      "last_verified": "2026-08-26",
      "description": "A drone's takeoff weight alone decides which federal rules apply to it, and the thresholds are scattered across three parts of 14 CFR plus the recreational-flying statute, with no single page stating all of them together."
    },
    {
      "slug": "fastener-standard-interchangeability-exceptions",
      "title": "DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable",
      "records": 162,
      "last_verified": "2026-08-05",
      "description": "Equivalence between withdrawn DIN fastener standards and their current ISO and BS counterparts, and -- the part that is missing everywhere else -- the specific sizes at which the supposedly equivalent parts have different dimensions."
    },
    {
      "slug": "fastener-thread-standard-equivalence",
      "title": "Fastener standard equivalences: DIN to ISO / EN crossover",
      "records": 164,
      "last_verified": "2026-08-12",
      "description": "Which ISO or EN standard replaced or corresponds to a given DIN fastener standard, whether the two are dimensionally interchangeable or differ, and what changed."
    },
    {
      "slug": "fda-import-alert-red-list",
      "title": "FDA import alert red lists: firms subject to detention without physical examination",
      "records": 1305,
      "last_verified": "2026-09-02",
      "description": "Which foreign manufacturers, shippers and growers are on an FDA import alert red list, meaning every shipment from them is detained without physical examination (DWPE) at the US border."
    },
    {
      "slug": "fda-nutrient-content-claim-criteria",
      "title": "FDA nutrient content claim qualification criteria",
      "records": 90,
      "last_verified": "2026-08-30",
      "description": "Numeric thresholds that qualify a food product for each FDA-regulated nutrient content claim ('free', 'low', 'reduced', 'good source of', 'high', 'light'), broken out by nutrient (calories, fat, saturated fat, cholesterol, sodium, sugar, fiber) and food\u2026"
    },
    {
      "slug": "federal-child-labor-hazardous-occupations",
      "title": "Federal Hazardous Occupations Orders for Minors (29 CFR Part 570)",
      "records": 67,
      "last_verified": "2026-08-30",
      "description": "Federal child labor law bans workers under 18 from 17 numbered 'Hazardous Occupations Orders' (29 CFR 570.51-570.68) -- driving, roofing, mining, explosives, power-driven meat slicers, forklifts and other high-lift trucks, circular saws and more -- and\u2026"
    },
    {
      "slug": "federal-civil-penalty-maximums",
      "title": "Federal civil penalty maximums \u2014 current inflation-adjusted amounts across agencies",
      "records": 574,
      "last_verified": "2026-08-30",
      "description": "The current maximum (and where stated, minimum) civil monetary penalty for each violation type, across federal agencies, as each agency's own inflation-adjustment regulation states it: OSHA (29 CFR 1903.15), EPA (40 CFR 19.4), HHS including HIPAA and Medicare\u2026"
    },
    {
      "slug": "federal-hours-of-service-exemptions-by-operation-type",
      "title": "Federal hours-of-service exemptions by commercial driver operation type",
      "records": 31,
      "last_verified": "2026-08-30",
      "description": "Commercial motor vehicle drivers are subject to federal hours-of-service limits (49 CFR 395.3: an 11-hour driving cap inside a 14-hour window, a 30-minute break after 8 hours of driving, and a 60-hour/7-day or 70-hour/8-day on-duty cap), but 49 CFR 395.1 says\u2026"
    },
    {
      "slug": "federal-rules-taking-effect",
      "title": "Federal rules taking effect: every US final rule in the Federal Register, by effective date",
      "records": 352,
      "last_verified": "2026-09-01",
      "description": "338 US final rules already published in the Federal Register, listed by the date each one takes effect: 287 in 2026, 44 in 2027 and 7 in 2028 or later, from 54 agencies, running to March 2033."
    },
    {
      "slug": "file-format-signatures",
      "title": "File format magic numbers",
      "records": 229,
      "last_verified": "2026-08-30",
      "description": "The leading bytes (magic number / file signature) that identify a file format, with its usual extension."
    },
    {
      "slug": "file-format-software-version-compatibility",
      "title": "GIS vector format capabilities and limitations in GDAL",
      "records": 3,
      "last_verified": "2026-08-30",
      "description": "Key capabilities, version requirements and format limitations for GIS vector drivers in GDAL, the authoritative open-source geospatial library."
    },
    {
      "slug": "filial-responsibility-laws-by-state",
      "title": "Filial responsibility laws by state \u2014 what each statute actually says about an adult child's liability for a parent's care",
      "records": 22,
      "last_verified": "2026-08-31",
      "description": "For each US state, whether a filial support statute is on the books and what it provides: who owes the duty, the condition the parent must be in for it to arise, the ability-to-pay qualifier, whether the remedy is civil or criminal, the penalty the statute\u2026"
    },
    {
      "slug": "final-paycheck-deadlines-by-state",
      "title": "Final paycheck deadlines by US state \u2014 how long an employer has to pay a departing employee's last wages, quoted from the state's own labor law",
      "records": 14,
      "last_verified": "2026-08-31",
      "description": "Every state sets its own deadline for paying a departing employee's final wages, and most states set two different deadlines depending on whether the employee was fired (often immediate or within days) or quit voluntarily (often the next scheduled payday)."
    },
    {
      "slug": "fips-140-module-validation-status",
      "title": "FIPS 140 validated cryptographic modules: active, historical or revoked",
      "records": 5502,
      "last_verified": "2026-09-01",
      "description": "The current validation status and scheduled expiry date of every cryptographic module certificated by the NIST/CCCS Cryptographic Module Validation Program (CMVP)."
    },
    {
      "slug": "fire-extinguisher-inspection-testing-intervals-by-type",
      "title": "Fire extinguisher inspection, maintenance and hydrostatic test intervals by agent type",
      "records": 34,
      "last_verified": "2026-08-19",
      "description": "NFPA 10 sets four separate service obligations for a portable fire extinguisher (monthly visual inspection, annual maintenance, periodic internal examination, and hydrostatic pressure testing) and the interval for two of those four depends on which agent and\u2026"
    },
    {
      "slug": "firewall-hardware-end-of-life-dates-by-brand",
      "title": "Firewall and network security appliance hardware end-of-life dates by brand",
      "records": 93,
      "last_verified": "2026-09-01",
      "description": "End-of-sale and end-of-support dates for the physical hardware of firewall and network security appliances (not the OS or firmware version, the box itself), taken from each manufacturer's own hardware lifecycle page."
    },
    {
      "slug": "flight-training-hour-minimums-61-vs-141",
      "title": "FAA flight training hour minimums: Part 61 vs Part 141, by certificate and rating",
      "records": 164,
      "last_verified": "2026-09-01",
      "description": "The minimum flight-time and training-hour requirements for each FAA pilot certificate and rating, under Part 61 and under an approved Part 141 course, side by side, from the eCFR text of both parts."
    },
    {
      "slug": "flsa-overtime-exemption-duties-tests",
      "title": "FLSA overtime exemption duties tests by category (29 CFR Part 541)",
      "records": 9,
      "last_verified": "2026-09-01",
      "description": "Whether a salaried employee is exempt from federal overtime pay turns on two independent tests under 29 CFR Part 541 \u2014 a salary-level test and a duties test \u2014 and the duties test is a different, itemized checklist for each exemption category."
    },
    {
      "slug": "food-additive-approval-status-us-vs-eu",
      "title": "Food additive regulatory approval status \u2014 US FDA vs EU",
      "records": 479,
      "last_verified": "2026-08-18",
      "description": "Cross-jurisdictional regulatory status of food additives permitted for direct addition to food."
    },
    {
      "slug": "food-color-additive-status-us-vs-eu",
      "title": "Food color additive cross-reference: US FD&C designation vs EU E-number, with regulatory status comparison",
      "records": 50,
      "last_verified": "2026-08-10",
      "description": "Cross-reference between US and EU food color additive systems. Each record is one color additive with its FD&C designation (US), E-number (EU), chemical/CI name, CAS number, US regulatory status (approved/banned, permitted uses by application category), EU\u2026"
    },
    {
      "slug": "food-standards-of-identity",
      "title": "What a food must legally contain to use its name: FDA standards of identity, in one table",
      "records": 41,
      "last_verified": "2026-09-01",
      "description": "The FDA standards of identity from 21 CFR Parts 131\u2013169: for each standardized food, the composition minimums and maximums that a product must meet to be labeled with that name."
    },
    {
      "slug": "franchise-termination-notice-and-good-cause-requirements-by-state",
      "title": "Franchise termination notice and good-cause requirements by US state \u2014 quoted from the state franchise relationship statute",
      "records": 6,
      "last_verified": "2026-09-02",
      "description": "A franchise agreement usually lets the franchisor end the relationship, but about a third of states layer a statute on top of the contract \u2014 a Franchise Relationship Act, Franchise Investment Law or, in Wisconsin, the Fair Dealership Law \u2014 that requires 'good\u2026"
    },
    {
      "slug": "fuse-cross-reference-by-manufacturer-class",
      "title": "Low-voltage fuse cross-reference by UL class and manufacturer",
      "records": 24,
      "last_verified": "2026-08-31",
      "description": "Which fuse catalog series from each major manufacturer (Edison, Brush/Dorman, Bussmann, Mersen/Gould, GEC/CEFCO, Littelfuse) is the interchangeable equivalent for a given UL fuse class (CC, RK1, RK5, J, T, L, Midget, ceramic/glass supplementals)."
    },
    {
      "slug": "garage-door-opener-remote-keypad-compatibility",
      "title": "Garage door opener remote and keypad compatibility, by opener model",
      "records": 695,
      "last_verified": "2026-08-31",
      "description": "Garage door opener manufacturers (LiftMaster/Chamberlain/Craftsman, Genie, Overhead Door, Linear, Stanley, Wayne Dalton and others) have shipped several generations of remote-control radio protocol on the same badge over 40 years \u2014 8- and 9-position dip\u2026"
    },
    {
      "slug": "gas-cylinder-color-codes",
      "title": "Gas cylinder color codes by standard and country",
      "records": 17,
      "last_verified": "2026-09-01",
      "description": "Color coding of compressed gas cylinders (shoulder and body colors) for medical, industrial and laboratory gases under different national and international standards."
    },
    {
      "slug": "general-contractor-license-thresholds-by-state",
      "title": "General contractor license requirements and dollar thresholds by US state",
      "records": 11,
      "last_verified": "2026-09-01",
      "description": "Do I need a contractor license for this project in my state, and what does it take to get one?"
    },
    {
      "slug": "gift-card-consumer-protections-by-state",
      "title": "Gift card expiration, fee and cash-redemption rules by state",
      "records": 18,
      "last_verified": "2026-08-18",
      "description": "State gift card / gift certificate consumer protections compared against the federal CARD Act floor (15 U.S.C."
    },
    {
      "slug": "government-tort-claim-notice-deadlines-by-state",
      "title": "Deadlines to notify or sue a government body, by state",
      "records": 96,
      "last_verified": "2026-08-31",
      "description": "If the person who injured you was a city, a county, a school district or the state itself, the ordinary statute of limitations is not the deadline that matters."
    },
    {
      "slug": "graduated-driver-licensing",
      "title": "US graduated driver licensing requirements by state",
      "records": 51,
      "last_verified": "2026-09-01",
      "description": "Graduated driver licensing (GDL) requirements for each US state: minimum ages, mandatory hold periods, supervised driving hours, nighttime restrictions, passenger restrictions, the conditions to lift each restriction, and the full footnote text that qualifies\u2026"
    },
    {
      "slug": "hazardous-area-substance-classification",
      "title": "Gas group, temperature class and autoignition temperature by substance",
      "records": 60,
      "last_verified": "2026-08-06",
      "description": "Hazardous area (explosive atmosphere) classification of individual flammable gases, vapours and combustible dusts."
    },
    {
      "slug": "hazardous-waste-generator-fees-by-state",
      "title": "US state hazardous waste generator annual fees by category",
      "records": 29,
      "last_verified": "2026-08-16",
      "description": "State-by-state annual registration and compliance fees for hazardous waste generators."
    },
    {
      "slug": "hazmat-container-retest-intervals",
      "title": "How often hazmat cylinders, cargo tanks, IBCs and portable tanks must be retested",
      "records": 67,
      "last_verified": "2026-09-01",
      "description": "Mandatory requalification, retest and inspection intervals for pressure containers under 49 CFR Part 180, with the qualifier that decides which interval applies."
    },
    {
      "slug": "hazmat-segregation-matrix",
      "title": "Hazmat load segregation \u2014 which hazard classes may travel together, highway vs vessel",
      "records": 788,
      "last_verified": "2026-09-01",
      "description": "The pairwise load-segregation rules for hazardous materials: for each pair of hazard classes/divisions, whether they may be loaded, transported or stored together on a highway vehicle (49 CFR 177.848) and on a vessel (49 CFR 176.83), and what the code at the\u2026"
    },
    {
      "slug": "hazwaste-generator-category-thresholds",
      "title": "Hazardous waste generator categories \u2014 federal vs California vs Washington thresholds and obligations",
      "records": 17,
      "last_verified": "2026-08-11",
      "description": "The quantity thresholds that put a hazardous waste generator into a category, and what each category obliges, stated side by side for the three authorities where the answer diverges: federal EPA (40 CFR 262.13 generator category table), California DTSC (22\u2026"
    },
    {
      "slug": "hfc-refrigerant-regulations-by-state",
      "title": "HFC refrigerant GWP regulations by US state",
      "records": 42,
      "last_verified": "2026-09-01",
      "description": "State-level HFC refrigerant regulations across the US, including GWP limits, equipment-type restrictions, effective dates, and regulatory citations."
    },
    {
      "slug": "home-energy-rebate-program-status-by-state",
      "title": "Home Energy Rebates \u2014 is my state's programme open, and what does it still pay for?",
      "records": 47,
      "last_verified": "2026-08-25",
      "description": "With the federal 25C and 25D tax credits gone for anything placed in service after 31 December 2025, the Inflation Reduction Act's Home Energy Rebates are the main money left for a US home energy upgrade \u2014 but they are run by each state's energy office, not\u2026"
    },
    {
      "slug": "hospital-price-transparency-mrf-index",
      "title": "Hospital price-transparency machine-readable file index (cms-hpt.txt)",
      "records": 975,
      "last_verified": "2026-09-02",
      "description": "An index of US hospitals' price-transparency machine-readable files, harvested from the cms-hpt.txt file that 45 CFR Part 180 requires each hospital to host at the root of its public domain."
    },
    {
      "slug": "hplc-column-equivalents-by-manufacturer",
      "title": "HPLC column equivalents to other manufacturers' columns",
      "records": 696,
      "last_verified": "2026-09-01",
      "description": "Which replacement HPLC column is offered for a named column from another manufacturer, keyed on the column being replaced."
    },
    {
      "slug": "hvac-component-refrigerant-compatibility",
      "title": "HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant",
      "records": 109,
      "last_verified": "2026-08-11",
      "description": "Which refrigerant substitutes for which in air conditioning, heat pump and refrigeration equipment, drawn from the EPA SNAP substitutes list, compressor-manufacturer bulletins (Copeland) and refrigerant-manufacturer replacement guides (Chemours, Honeywell\u2026"
    },
    {
      "slug": "hydraulic-pipe-connection-types",
      "title": "Hydraulic and pipe connection type identification",
      "records": 21,
      "last_verified": "2026-09-01",
      "description": "Identifying characteristics of each hydraulic, pipe, and instrumentation connection standard used in fluid power and plumbing systems."
    },
    {
      "slug": "ibc-irc-code-edition-adoption-by-state",
      "title": "Which edition of the International Building Code, Residential Code and 15 other I-Codes each US state enforces, from the ICC's own published adoption chart",
      "records": 56,
      "last_verified": "2026-09-01",
      "description": "Which edition of each International Code Council (ICC) code family is adopted in each US state and territory, taken from the ICC's own published adoption chart."
    },
    {
      "slug": "icann-registrar-accreditation-status",
      "title": "Domain registrar accreditation status and ICANN enforcement history, by IANA ID",
      "records": 4525,
      "last_verified": "2026-09-02",
      "description": "Whether a domain name registrar is still ICANN-accredited, and what enforcement action ICANN has taken against it."
    },
    {
      "slug": "iecc-climate-zone-by-county",
      "title": "IECC/Building America climate zone by U.S. county, 2021 code cycle",
      "records": 3134,
      "last_verified": "2026-08-31",
      "description": "Which IECC climate zone (1-8, with A/B/C moisture regime) and which DOE Building America climate zone each U.S. county falls in under the 2021 code cycle, and whether that county's designation changed from the pre-2021 (2018 IECC) map."
    },
    {
      "slug": "import-duty-and-tariffs",
      "title": "US import duty and tariff rates by HTS chapter",
      "records": 25,
      "last_verified": "2026-09-01",
      "description": "US import duty rates organized by Harmonized Tariff Schedule (HTS) chapter, covering the base MFN (Most Favored Nation) general rate from the USITC HTS plus the overlay tariffs that determine the actual total rate paid: Section 301 additional duties on\u2026"
    },
    {
      "slug": "incident-notification-deadlines",
      "title": "Federal incident notification deadlines by regulation",
      "records": 23,
      "last_verified": "2026-08-12",
      "description": "The mandatory notification deadlines triggered by workplace, environmental, and transportation incidents under US federal regulations, compared across all major reporting frameworks."
    },
    {
      "slug": "industrial-vfd-fault-alarm-codes-by-brand",
      "title": "Industrial VFD fault and alarm codes by brand",
      "records": 340,
      "last_verified": "2026-08-26",
      "description": "What the fault and alarm codes on the display of an industrial variable-frequency drive (VFD) stand for, taken from each manufacturer's own manual."
    },
    {
      "slug": "insurance-claim-handling-deadlines",
      "title": "How long an insurer has to acknowledge, decide and pay a claim, by state: statutory and regulatory claim-handling deadlines",
      "records": 42,
      "last_verified": "2026-09-01",
      "description": "The deadlines each US state puts on an insurance company handling a claim: how many days to acknowledge that a claim was received, how many days to reply to a policyholder's communication, how many days to accept or deny the claim after receiving proof of\u2026"
    },
    {
      "slug": "insurance-guaranty-association-limits-by-state",
      "title": "State life and health insurance guaranty association benefit limits \u2014 how much is protected if your insurer fails",
      "records": 5,
      "last_verified": "2026-08-19",
      "description": "Every US state runs a life/health insurance guaranty association \u2014 a state-chartered backstop, funded by assessments on other insurers, that pays policyholders (up to a cap) if their life, annuity, disability, long-term-care or health insurer becomes\u2026"
    },
    {
      "slug": "interstate-licensure-compact-participation",
      "title": "Interstate Professional Licensure Compact Participation by State",
      "records": 406,
      "last_verified": "2026-08-17",
      "description": "Which U.S. states participate in which interstate licensure compacts (nursing, psychology, physical therapy, counseling, social work, EMS, occupational therapy, audiology/speech pathology, dietetics, physician assistant, respiratory care, school psychology\u2026"
    },
    {
      "slug": "intrastate-driver-hours-by-state",
      "title": "Intrastate truck driver hours-of-service rules by state \u2014 where they differ from federal",
      "records": 3,
      "last_verified": "2026-09-01",
      "description": "The hours-of-service rules for commercial drivers operating solely within one state, per state: maximum driving hours per shift, the on-duty window, the weekly/cycle cap, the short-haul air-mile radius, and whether the state simply adopts the federal rules\u2026"
    },
    {
      "slug": "iso-standard-supersessions",
      "title": "Withdrawn and superseded ISO standards",
      "records": 24598,
      "last_verified": "2026-09-01",
      "description": "Every deliverable in ISO's own open-data register that has been withdrawn or superseded, with the successor ISO names for it."
    },
    {
      "slug": "judgment-renewal-deadlines-by-state",
      "title": "How long a money judgment stays enforceable before it must be renewed, by state",
      "records": 6,
      "last_verified": "2026-09-01",
      "description": "A civil money judgment does not stay enforceable forever. Every state sets a clock on it, and when the clock runs out the creditor's own state statute \u2014 not the underlying debt's statute of limitations, which is a different clock that stopped the moment the\u2026"
    },
    {
      "slug": "jury-duty-employer-pay-requirements-by-state",
      "title": "Jury duty employer pay requirements by US state \u2014 whether an employer must keep paying wages during jury service, how much, for how long, quoted from the state's own statute",
      "records": 9,
      "last_verified": "2026-09-02",
      "description": "Federal law (FLSA) does not require a private employer to pay an employee for time spent on jury duty \u2014 only eight states plus the District of Columbia impose any wage-continuation mandate at all, and where one exists the terms vary sharply: full regular\u2026"
    },
    {
      "slug": "kubernetes-version-skew-policy",
      "title": "Kubernetes component version skew policy: how far apart component versions can be in a supported cluster",
      "records": 6,
      "last_verified": "2026-09-01",
      "description": "The maximum version difference Kubernetes supports between cluster components, one record per governed component pair (kube-apiserver to kubelet, kube-proxy, kubectl, and the kube-controller-manager/kube-scheduler/cloud-controller-manager group, plus the\u2026"
    },
    {
      "slug": "lab-instrument-consumables-equivalence",
      "title": "GC column stationary phase cross-reference by manufacturer",
      "records": 47,
      "last_verified": "2026-08-15",
      "description": "A cross-reference of gas chromatography (GC) capillary column stationary phases across manufacturers, showing which column product names from Agilent, Restek, Phenomenex, Supelco/Merck, GL Sciences, GS-Tek, Trajan/SGE, Macherey-Nagel, Quadrex, PerkinElmer\u2026"
    },
    {
      "slug": "legal-metrology-accuracy-classes",
      "title": "Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)",
      "records": 70,
      "last_verified": "2026-09-01",
      "description": "Accuracy classes and maximum permissible errors that Directive 2014/32/EU (the Measuring Instruments Directive) assigns to instruments used for trade in the EU."
    },
    {
      "slug": "legal-notice-publication-rates-by-state",
      "title": "What a newspaper may legally charge to publish a legal notice \u2014 by US state",
      "records": 37,
      "last_verified": "2026-08-19",
      "description": "Every self-storage lien sale, foreclosure, probate, name change, DBA filing, estate notice and municipal budget in the United States has to be published as a paid legal notice in a qualifying newspaper, and in most states the price the newspaper may charge is\u2026"
    },
    {
      "slug": "life-insurance-grace-periods-by-state",
      "title": "Life insurance premium grace periods and lapse protections by US state",
      "records": 8,
      "last_verified": "2026-08-17",
      "description": "For each US state, the minimum grace period its insurance code requires a life insurance policy to allow after a missed premium before the policy may lapse, plus any additional lapse protections (extended periods for seniors, designated-third-party notice\u2026"
    },
    {
      "slug": "liheap-income-eligibility-by-state",
      "title": "LIHEAP income eligibility limits by state and household size",
      "records": 43,
      "last_verified": "2026-08-25",
      "description": "LIHEAP (federal home heating/cooling energy assistance) sets a national floor -- 110% of the federal poverty guideline, or 60% of state median income if higher -- but leaves the actual cutoff to each state, and states pick anywhere up to 150-175% FPG or their\u2026"
    },
    {
      "slug": "lithium-battery-shipping-limits",
      "title": "Lithium battery shipping limits (49 CFR 173.185)",
      "records": 15,
      "last_verified": "2026-09-01",
      "description": "Watt-hour and lithium-content thresholds, quantity limits and packaging conditions for shipping lithium cells and batteries under US hazardous materials regulations."
    },
    {
      "slug": "marketplace-subsidy-income-thresholds",
      "title": "ACA marketplace subsidy income limits by coverage year, household size and state group",
      "records": 48,
      "last_verified": "2026-09-01",
      "description": "The dollar income limits that decide whether a household qualifies for an ACA premium tax credit, for each coverage year, each household size from 1 to 8, and each of the three federal poverty guideline schedules (48 contiguous states and DC, Alaska, Hawaii)."
    },
    {
      "slug": "meal-and-rest-break-requirements-by-state",
      "title": "Meal and rest break requirements by US state \u2014 hours worked before a break is owed, its length, and whether it's paid, quoted from the state's own labor law",
      "records": 21,
      "last_verified": "2026-09-02",
      "description": "Most US states impose no meal- or rest-break requirement at all on private employers \u2014 federal law (the FLSA) doesn't require either."
    },
    {
      "slug": "mechanics-lien-deadlines-by-state",
      "title": "Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role",
      "records": 51,
      "last_verified": "2026-08-14",
      "description": "State-by-state comparison of the deadlines that determine whether a contractor, subcontractor, or material supplier keeps or loses the right to file a mechanics lien on a construction project."
    },
    {
      "slug": "medicaid-estate-recovery-rules-by-state",
      "title": "Medicaid Estate Recovery Rules by State",
      "records": 35,
      "last_verified": "2026-09-01",
      "description": "State-by-state Medicaid estate recovery rules, taken from each state's own statute or administrative code: what the state counts as the 'estate' it may recover from (the single biggest difference between states \u2014 a probate-only state cannot reach jointly held\u2026"
    },
    {
      "slug": "medical-certificate-validity-by-occupation",
      "title": "How long medical certificates last for pilots, commercial drivers and merchant mariners \u2014 by class, age and service type",
      "records": 17,
      "last_verified": "2026-09-01",
      "description": "How long a federally required medical certificate remains valid for each regulated transport occupation, and what it depends on."
    },
    {
      "slug": "medical-debt-collection-protections-by-state",
      "title": "Medical Debt Interest Caps and Collection Restrictions by State",
      "records": 9,
      "last_verified": "2026-08-31",
      "description": "Since 2022, at least nine states have passed medical-debt-specific consumer protection statutes on top of ordinary debt-collection law: a cap on the interest rate a hospital or debt buyer may charge on medical debt, a minimum waiting period before debt can be\u2026"
    },
    {
      "slug": "medical-debt-collection-restrictions-by-state",
      "title": "State limits on medical debt interest, garnishment and lawsuits",
      "records": 6,
      "last_verified": "2026-08-31",
      "description": "What a hospital or debt collector may legally do to collect a medical bill in this state, and when."
    },
    {
      "slug": "medical-malpractice-certificate-of-merit-by-state",
      "title": "Medical malpractice certificate/affidavit of merit requirements by US state \u2014 quoted from the state statute or court rule",
      "records": 10,
      "last_verified": "2026-09-02",
      "description": "Most states require a plaintiff in a medical malpractice case to file something beyond an ordinary complaint \u2014 a sworn affidavit from a qualifying medical expert, a certificate that the plaintiff's attorney consulted one, or a hybrid of the two \u2014 confirming\u2026"
    },
    {
      "slug": "minimum-wage-rates-by-jurisdiction",
      "title": "US minimum wage rates by state, city, and worker type",
      "records": 60,
      "last_verified": "2026-08-12",
      "description": "Current minimum wage, tipped (subminimum) wage, and small-employer rates for every US state plus major cities and counties that set their own higher rate."
    },
    {
      "slug": "motor-fuel-dispenser-measurement-tolerances-nist",
      "title": "How far off a US fuel pump, LPG meter or EV charger is allowed to be (NIST Handbook 44)",
      "records": 30,
      "last_verified": "2026-08-20",
      "description": "The accuracy every commercial device that sells fuel or energy in the United States has to hold, taken from NIST Handbook 44 -- the specifications and tolerances that state weights-and-measures programs adopt by reference and enforce when they inspect a gas\u2026"
    },
    {
      "slug": "motor-fuel-minimum-markup-laws-by-state",
      "title": "State below-cost motor fuel selling laws and minimum-markup percentages",
      "records": 18,
      "last_verified": "2026-09-01",
      "description": "A handful of states make it illegal for a gas station to sell fuel below its own cost, on the theory that a chain with deep pockets could otherwise sell at a loss long enough to drive independent competitors out and then raise prices."
    },
    {
      "slug": "nec-adoption-by-state",
      "title": "National Electrical Code edition adopted by each US state",
      "records": 4,
      "last_verified": "2026-09-01",
      "description": "For each US state: which edition of the National Electrical Code (NEC) is currently in force statewide, the name of the state code that adopts it (e.g. the 2023 Oregon Electrical Specialty Code), its effective date, whether the state amends the NEC, and\u2026"
    },
    {
      "slug": "nec-edition-adoption-by-state",
      "title": "Which National Electrical Code edition each US state enforces: adoption status, effective dates and amendments, from the state boards themselves",
      "records": 4,
      "last_verified": "2026-09-01",
      "description": "The NEC edition currently in force in each US state, with the effective date, the adopting authority, whether state amendments apply, and any announced transition to a newer edition."
    },
    {
      "slug": "neshap-source-category-crosswalk",
      "title": "EPA NESHAP Source Category Applicability Crosswalk",
      "records": 125,
      "last_verified": "2026-09-01",
      "description": "Maps each EPA NESHAP source category to its 40 CFR subpart, whether it applies to major or area sources, the original final rule date, most recent amendment, and residual risk/technology review status."
    },
    {
      "slug": "nfa-firearm-category-definitions-and-transfer-tax",
      "title": "NFA firearm category definitions and current transfer/making tax",
      "records": 6,
      "last_verified": "2026-08-30",
      "description": "The National Firearms Act regulates six firearm categories -- short-barreled rifle, short-barreled shotgun, any other weapon (AOW), machine gun, silencer, destructive device -- each defined by its own measurement threshold in ATF's regulations at 27 CFR\u2026"
    },
    {
      "slug": "nfpa-704-hazard-ratings",
      "title": "NFPA 704 fire diamond ratings by chemical",
      "records": 4,
      "last_verified": "2026-09-01",
      "description": "The NFPA 704 'fire diamond' rating for a chemical \u2014 the health (blue), flammability (red), instability (yellow) numbers and any special (white) notice \u2014 as published on that chemical's own datasheet."
    },
    {
      "slug": "nist-cryptographic-algorithm-deprecation-schedule",
      "title": "NIST cryptographic algorithm deprecation schedule: what is approved, deprecated, and disallowed, and when",
      "records": 21,
      "last_verified": "2026-09-01",
      "description": "Per-algorithm status under NIST guidance for the post-quantum cryptographic transition."
    },
    {
      "slug": "nonattainment-county-designations-by-pollutant",
      "title": "Current EPA nonattainment county designations by pollutant",
      "records": 463,
      "last_verified": "2026-08-31",
      "description": "Whether a US county is in 'nonattainment' for a given Clean Air Act pollutant (and if so, at what severity classification) drives real obligations for anyone building, permitting, or selling into that county: stricter new-source review, vehicle inspection and\u2026"
    },
    {
      "slug": "notary-public-maximum-fees-by-state",
      "title": "Notary Public Maximum Fees by State",
      "records": 81,
      "last_verified": "2026-08-31",
      "description": "Maximum fees a notary public may charge per notarial act in each US state and DC, as set by state statute."
    },
    {
      "slug": "notifiable-disease-reporting-timeframes",
      "title": "US state notifiable disease reporting timeframes by condition",
      "records": 334,
      "last_verified": "2026-08-16",
      "description": "State-by-state reporting timeframes for notifiable diseases and conditions."
    },
    {
      "slug": "npm-deprecated-package-recommended-replacement",
      "title": "Deprecated npm packages and their maintainer-named replacement",
      "records": 96,
      "last_verified": "2026-09-01",
      "description": "npm allows a maintainer to attach a 'deprecated' message to a specific published version, and that message often names the exact replacement package or built-in API to use instead -- 'left-pad' points at String.prototype.padStart(), 'istanbul' points at nyc\u2026"
    },
    {
      "slug": "nrtl-recognition-scopes",
      "title": "Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced",
      "records": 3321,
      "last_verified": "2026-09-01",
      "description": "For every OSHA Nationally Recognized Testing Laboratory (NRTL), each test standard the lab is currently recognized for, taken from the lab's own scope-of-recognition page on osha.gov."
    },
    {
      "slug": "nrtl-recognized-test-standards",
      "title": "Which OSHA-recognized labs (NRTLs) can certify to a given test standard",
      "records": 4329,
      "last_verified": "2026-09-01",
      "description": "The inverted view of OSHA's Nationally Recognized Testing Laboratory program: for each test standard, every NRTL currently recognized to certify products to it."
    },
    {
      "slug": "nursing-home-minimum-staffing-by-state",
      "title": "Nursing home minimum staffing requirements by US state \u2014 hours per resident day and RN coverage mandates after the 2026 federal repeal",
      "records": 51,
      "last_verified": "2026-08-15",
      "description": "State-by-state comparison of legally mandated minimum staffing levels for nursing homes (skilled nursing facilities)."
    },
    {
      "slug": "nursing-home-special-focus-facilities",
      "title": "Nursing homes under CMS Special Focus Facility oversight: current SFFs, candidates, graduates and terminations, by CMS certification number",
      "records": 1927,
      "last_verified": "2026-08-11",
      "description": "Which US nursing homes are in the CMS Special Focus Facility (SFF) programme, which are candidates for it, which have graduated and which have left Medicare and Medicaid altogether."
    },
    {
      "slug": "nvidia-cuda-compute-capability-by-gpu",
      "title": "NVIDIA GPU CUDA compute capability by model",
      "records": 441,
      "last_verified": "2026-09-01",
      "description": "Which CUDA compute capability version (e.g. '8.9', '12.0') each NVIDIA GPU model supports, from NVIDIA's own compute-capability table."
    },
    {
      "slug": "oem-vehicle-maintenance-schedule-by-model",
      "title": "OEM maintenance schedule by vehicle model and year, sourced from the manufacturer's own document",
      "records": 1044,
      "last_verified": "2026-08-31",
      "description": "What the manufacturer's own maintenance guide says to do at each mileage/time interval, one record per make, model, model year, interval and service item, each quoted from the manufacturer's own PDF."
    },
    {
      "slug": "osha-fall-protection-trigger-height-by-standard",
      "title": "OSHA fall protection trigger height by standard",
      "records": 42,
      "last_verified": "2026-09-01",
      "description": "OSHA does not set one fall-protection trigger height. General industry (29 CFR 1910.28) sets 4 feet, general construction (1926.501) sets 6 feet, scaffolds (1926.451) sets 10 feet, and steel erection (1926.760) sets 15 feet -- the same worker doing the same\u2026"
    },
    {
      "slug": "osha-medical-surveillance-triggers",
      "title": "OSHA medical surveillance trigger thresholds by substance",
      "records": 23,
      "last_verified": "2026-08-30",
      "description": "The airborne exposure level that triggers mandatory medical surveillance under each OSHA substance-specific standard (29 CFR 1910 Subpart Z), compared across all regulated substances."
    },
    {
      "slug": "osha-recordkeeping-exemptions",
      "title": "OSHA injury and illness recordkeeping exemptions by industry (NAICS)",
      "records": 82,
      "last_verified": "2026-09-01",
      "description": "Whether a business must keep OSHA 300 injury/illness logs turns on two independent rules that no single page states together: a company-size exemption (10 or fewer employees, company-wide, at any time in the last calendar year) under 29 CFR 1904.1, and a\u2026"
    },
    {
      "slug": "osha-scaffold-dimensional-tolerances",
      "title": "Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)",
      "records": 91,
      "last_verified": "2026-09-01",
      "description": "All of the specific numeric dimensional tolerances, clearances, safety factors, and spacing requirements stated in 29 CFR 1926.451 (General requirements for scaffolds), extracted from the eCFR text and tabulated so a scaffold erector or safety inspector can\u2026"
    },
    {
      "slug": "osha-training-requirements-by-standard",
      "title": "OSHA training requirements by standard: topic, frequency, and CFR citation",
      "records": 31,
      "last_verified": "2026-08-05",
      "description": "Which OSHA standards require employee training, what the training must cover, how often it must be repeated, and who must receive it."
    },
    {
      "slug": "outboard-motor-service-specs",
      "title": "Outboard motor service specifications by brand and model",
      "records": 53,
      "last_verified": "2026-09-01",
      "description": "Spark plug, gap, oil capacity, oil filter, gear lube capacity and water pump impeller kit part numbers for outboard motors by brand and model range."
    },
    {
      "slug": "packaging-material-specification-equivalence",
      "title": "Packaging specification equivalence: neck finishes, corrugated grades and pallet standards",
      "records": 111,
      "last_verified": "2026-09-01",
      "description": "Cross-reference of packaging specifications that procurement, packaging engineers and brand owners need when substituting materials, matching closures to bottles, or converting between regional standards."
    },
    {
      "slug": "pdmp-mandatory-check-requirements",
      "title": "PDMP Mandatory Prescriber Check Requirements by State",
      "records": 53,
      "last_verified": "2026-08-17",
      "description": "When and for which drugs each US state requires prescribers to check the Prescription Drug Monitoring Program before prescribing controlled substances, with trigger conditions, exemptions, re-check intervals, and statutory citations."
    },
    {
      "slug": "pesticide-residue-tolerance-limits",
      "title": "US EPA pesticide residue tolerance limits by active ingredient and crop commodity",
      "records": 1324,
      "last_verified": "2026-09-01",
      "description": "What is the maximum legal pesticide residue allowed on this food in the United States?"
    },
    {
      "slug": "pet-travel-entry-requirements",
      "title": "The dated, ordered steps for taking a dog, cat or ferret into the United States, the European Union or Great Britain \u2014 microchip, rabies vaccination, blood test and the waiting periods between them, quoted from the law itself",
      "records": 19,
      "last_verified": "2026-08-30",
      "description": "Getting a pet across a border is a chain of steps that only counts if it is done in the right order, and every link is a date."
    },
    {
      "slug": "pfas-drinking-water-limits-by-state",
      "title": "PFAS drinking water concentration limits by US state \u2014 MCLs, notification levels, action levels, and health advisories for PFOA, PFOS, and other per- and polyfluoroalkyl substances",
      "records": 89,
      "last_verified": "2026-09-01",
      "description": "State-by-state comparison of legally enforceable and advisory concentration limits for PFAS compounds in drinking water."
    },
    {
      "slug": "pharmacy-technician-supervision-ratios",
      "title": "State pharmacy technician-to-pharmacist supervision ratios",
      "records": 21,
      "last_verified": "2026-08-16",
      "description": "The maximum number of pharmacy technicians a single pharmacist may supervise in each US state, with the practice setting it applies to and any conditions that raise or lower the cap."
    },
    {
      "slug": "pilot-licence-minimum-requirements-by-authority",
      "title": "Pilot licence minimum hours, age and prerequisites by civil aviation authority",
      "records": 203,
      "last_verified": "2026-09-01",
      "description": "The minimum flight hours, minimum age, solo and cross-country requirements and prerequisite licences for each pilot licence and rating, compared across the FAA (United States), EASA (European Union), the UK CAA (retained Part-FCL) and Transport Canada."
    },
    {
      "slug": "plumbing-fitting-thread-standards",
      "title": "Plumbing fitting and pipe thread standards",
      "records": 97,
      "last_verified": "2026-08-12",
      "description": "Dimensional specifications for NPT and BSP pipe thread sizes used in plumbing, hydraulic, and gas fittings worldwide."
    },
    {
      "slug": "postgres-extension-postgresql-version-compatibility",
      "title": "PostgreSQL extension compatibility with PostgreSQL major versions",
      "records": 9,
      "last_verified": "2026-08-31",
      "description": "Which major versions of PostgreSQL a popular server extension supports, taken from that extension's own documentation, README or changelog -- not from any one cloud vendor's managed-service certification list."
    },
    {
      "slug": "power-plant-retirement-schedule",
      "title": "Planned US generating-unit retirements, as EIA published them in one named month's Electric Power Monthly",
      "records": 1025,
      "last_verified": "2026-09-01",
      "description": "Every utility-scale US electric generating unit its operator has told EIA it plans to retire, as printed in a single named monthly edition of EIA's Electric Power Monthly: the planned retirement month and year, the plant and unit it belongs to, the operating\u2026"
    },
    {
      "slug": "power-tool-battery-accessory-compatibility",
      "title": "Power tool battery and accessory compatibility",
      "records": 149,
      "last_verified": "2026-08-11",
      "description": "Which power tool batteries, chargers, adapters and accessory interfaces work with which tools and platforms, from the manufacturers' and battery alliances' own pages: which brands belong to the AMPShare and CAS cross-brand 18V battery systems, which DEWALT\u2026"
    },
    {
      "slug": "power-tool-battery-compatibility",
      "title": "Power tool battery platform and accessory interface compatibility",
      "records": 200,
      "last_verified": "2026-08-28",
      "description": "Which power tool batteries, chargers, adapters and accessory interfaces work with which tools and brands, drawn from the manufacturers' own pages: Milwaukee M18, DEWALT 20V MAX/FLEXVOLT and the DCA1820 18V adapter fit table, RYOBI 18V ONE+, Makita LXT/XGT and\u2026"
    },
    {
      "slug": "prerequisite-sequencing-regulated-processes",
      "title": "What must pass before the next step: mandated step order in regulated processes",
      "records": 37,
      "last_verified": "2026-08-11",
      "description": "The mandated order of steps in multi-step regulated processes, from the authority that enforces the order: which inspection or filing must be approved before the next one may happen, what may not proceed until it passes, and the deadline attached to it."
    },
    {
      "slug": "process-compatibility-coatings-adhesives-treatments",
      "title": "Galvanic series and surface energy of engineering materials",
      "records": 80,
      "last_verified": "2026-09-01",
      "description": "Electrode potential in seawater (volts vs SCE) for metals and alloys from the ASM/MIL-STD-889 galvanic series, and surface energy (dyne/cm) for plastics and packaging materials."
    },
    {
      "slug": "professional-licensing-continuing-education-by-jurisdiction",
      "title": "CPA continuing professional education (CPE) requirements by US jurisdiction",
      "records": 53,
      "last_verified": "2026-09-01",
      "description": "The CPE hours a licensed CPA must complete in each US state and territory to renew, as published by NASBA's National Registry of CPE Sponsors."
    },
    {
      "slug": "property-tax-appeal-deadlines-by-state",
      "title": "Property tax assessment appeal deadlines by state",
      "records": 14,
      "last_verified": "2026-09-01",
      "description": "Missing a property-tax appeal window usually forfeits the appeal for that year, and the deadline is a different shape in each state, which is what a generic answer gets wrong."
    },
    {
      "slug": "pseudoephedrine-purchase-limits-by-state",
      "title": "Pseudoephedrine purchase limits: federal gram limits and stricter state rules",
      "records": 34,
      "last_verified": "2026-08-19",
      "description": "How much pseudoephedrine (Sudafed and equivalents) a person may buy, per day and per 30 days, quoted from the statute that sets each limit."
    },
    {
      "slug": "psm-rmp-chemical-threshold-crossref",
      "title": "OSHA PSM vs EPA RMP: chemical threshold quantities side by side",
      "records": 225,
      "last_verified": "2026-09-01",
      "description": "Side-by-side comparison of threshold quantities for hazardous chemicals regulated under OSHA's Process Safety Management standard (29 CFR 1910.119 Appendix A) and EPA's Risk Management Program (40 CFR 68.130)."
    },
    {
      "slug": "real-estate-appraiser-temporary-permit-by-state",
      "title": "Real estate appraiser temporary practice permit requirements by state: fee, duration, and per-year limit",
      "records": 33,
      "last_verified": "2026-08-28",
      "description": "Federal law (Title XI, 12 U.S.C. 3351(b)) requires every state to let a certified or licensed real estate appraiser from another state temporarily practice on a federally-related assignment, but each state's own appraiser board sets the fee, how long the\u2026"
    },
    {
      "slug": "reckless-driving-speed-thresholds-by-state",
      "title": "Reckless / excessive-speeding mph thresholds that trigger a criminal charge, by state",
      "records": 12,
      "last_verified": "2026-08-20",
      "description": "For each US state: the speed -- stated as an absolute mph, as mph over the posted limit, or both -- at which ordinary speeding stops being ordinary and the statute attaches a separate, heavier offence, quoted exactly as the statute states it, with the\u2026"
    },
    {
      "slug": "record-retention-periods-federal",
      "title": "How long federal regulations require records to be kept: retention periods, what starts the clock, and who they bind",
      "records": 24,
      "last_verified": "2026-09-01",
      "description": "The retention period each federal regulation attaches to a record type, with the trigger that starts the clock \u2014 which is where the confusion lives."
    },
    {
      "slug": "recreational-boat-safety-equipment-requirements-by-length",
      "title": "Recreational boat safety equipment requirements by vessel length",
      "records": 11,
      "last_verified": "2026-09-01",
      "description": "Coast Guard rules on what safety gear a recreational boat must carry are not stated as one table -- personal flotation devices, portable fire extinguishers, and visual distress signals are each governed by a different subpart of 33 CFR Part 175, and each is\u2026"
    },
    {
      "slug": "regulatory-threshold-triggers",
      "title": "US federal employment law thresholds by employee count",
      "records": 32,
      "last_verified": "2026-09-01",
      "description": "Employee-count thresholds that trigger US federal employment laws. Each record is one law at one threshold, stating the trigger point, what the law requires, and how employees are counted for that statute."
    },
    {
      "slug": "residential-furnace-fault-codes-by-brand",
      "title": "Residential gas furnace fault code lookup by brand",
      "records": 79,
      "last_verified": "2026-08-28",
      "description": "What the flashing-LED or displayed fault code on a residential gas furnace's integrated control board means, taken from each manufacturer's own manual."
    },
    {
      "slug": "respirator-assigned-protection-factors",
      "title": "Respirator assigned protection factors \u2014 federal OSHA and Cal/OSHA, with maximum use concentrations",
      "records": 40,
      "last_verified": "2026-08-10",
      "description": "Assigned protection factors (APFs) for each respirator class under federal OSHA (29 CFR 1910.134 Table 1) and Cal/OSHA (8 CCR 5144), and \u2014 the derived layer \u2014 the maximum use concentration (MUC) each respirator class supports for a given substance, computed\u2026"
    },
    {
      "slug": "router-firmware-support-status",
      "title": "Consumer router firmware support \u2014 end-of-life status and dates by vendor and model",
      "records": 898,
      "last_verified": "2026-09-02",
      "description": "Per-model end-of-life / end-of-service status for consumer networking gear (routers, mesh systems, extenders), assembled across vendors from each vendor's own EOL publication: Linksys (per-model EOL and end-of-support dates in an HTML table), ASUS (a\u2026"
    },
    {
      "slug": "sba-disaster-loan-deadlines",
      "title": "SBA disaster loan filing deadlines, live",
      "records": 99,
      "last_verified": "2026-09-01",
      "description": "Every SBA disaster declaration (state/administrative and physical) currently open, with its physical-damage loan application deadline and its Economic Injury Disaster Loan (EIDL) application deadline, taken verbatim from SBA's own Federal Register notice."
    },
    {
      "slug": "security-deposit-interest-requirements-by-state",
      "title": "Security deposit interest requirements by US state \u2014 which states make a landlord pay interest on a held deposit, and at what rate, quoted from the statute",
      "records": 11,
      "last_verified": "2026-09-02",
      "description": "Most states let a landlord hold a security deposit with no interest owed at all."
    },
    {
      "slug": "security-deposit-return-deadlines-by-state",
      "title": "Security deposit return deadlines by US state \u2014 the statutory clock a landlord has to return a tenant's deposit, quoted from the state statute",
      "records": 31,
      "last_verified": "2026-08-26",
      "description": "Every state sets a statutory deadline for a landlord to return a tenant's security deposit, or to send an itemized statement of what is being withheld, after the tenancy ends."
    },
    {
      "slug": "septic-inspection-at-property-transfer",
      "title": "Septic system inspection at property sale: which states require it",
      "records": 7,
      "last_verified": "2026-08-18",
      "description": "For each US state whose statute, code or environmental agency states a position: whether a septic (onsite sewage) system must be inspected when the property is sold or the deed transfers, who must obtain it, and any exemptions."
    },
    {
      "slug": "shipping-restrictions-by-class",
      "title": "Mailing and air-carriage restrictions by item category",
      "records": 3194,
      "last_verified": "2026-09-01",
      "description": "What item categories may be mailed, and what may be carried by air, with the conditions that apply."
    },
    {
      "slug": "small-claims-court-dollar-limits-by-state",
      "title": "Small Claims Court Dollar Limits by State",
      "records": 25,
      "last_verified": "2026-08-26",
      "description": "Every state sets its own maximum dollar amount a plaintiff may sue for in small claims court, and the limit for an individual often differs from the limit for a business entity."
    },
    {
      "slug": "small-claims-court-limits-by-state",
      "title": "Small Claims Court Dollar Limits by State",
      "records": 34,
      "last_verified": "2026-08-31",
      "description": "Maximum dollar amount you can sue for in small claims court in each US state and DC, with the controlling statute cited."
    },
    {
      "slug": "snap-gross-income-limits-by-state",
      "title": "SNAP gross income and asset limits by US state (BBCE)",
      "records": 47,
      "last_verified": "2026-08-19",
      "description": "For each US state: whether it uses Broad-Based Categorical Eligibility (BBCE) for SNAP, the gross income limit it applies (as a percent of the federal poverty level), the asset limit it applies, and \u2014 where the state agency publishes one \u2014 the actual monthly\u2026"
    },
    {
      "slug": "software-end-of-support",
      "title": "Software end-of-support dates",
      "records": 61,
      "last_verified": "2026-08-29",
      "description": "Release, end-of-active-support, end-of-life (EOL) and end-of-security-support dates per major version of widely used software."
    },
    {
      "slug": "software-eol-change-feed",
      "title": "Software end-of-life date changes \u2014 which dates moved and what they were before",
      "records": 287,
      "last_verified": "2026-08-31",
      "description": "A change log of software end-of-life and end-of-support dates across 462 products, built by diffing the endoflife.date API between snapshots: for each changed date, the product, release cycle, which field moved, the old value and the new value."
    },
    {
      "slug": "software-interface-version-compatibility",
      "title": "Software interface version compatibility",
      "records": 377,
      "last_verified": "2026-08-31",
      "description": "Which versions of common software dependencies are compatible with each other \u2014 currently PyTorch/CUDA and cuDNN/CUDA pairings."
    },
    {
      "slug": "solar-inverter-panel-battery-compatibility",
      "title": "Solar inverter\u2013battery compatibility",
      "records": 101,
      "last_verified": "2026-08-12",
      "description": "Which lithium batteries have been tested with which solar inverter brands for closed-loop BMS communication, from the inverter and battery manufacturers' own published compatibility lists."
    },
    {
      "slug": "special-education-evaluation-timelines-by-state",
      "title": "Special education initial evaluation deadlines by state \u2014 days, day type, and what starts the clock",
      "records": 19,
      "last_verified": "2026-08-31",
      "description": "The legal deadline for completing an initial special education evaluation under the IDEA, per state: how many days, whether those are calendar, school or business days, what event starts the clock, the separate deadline for the eligibility meeting or the\u2026"
    },
    {
      "slug": "sr22-filing-duration-by-state",
      "title": "SR-22 filing duration by US state \u2014 how long you must carry the certificate, quoted from the state DMV",
      "records": 11,
      "last_verified": "2026-08-31",
      "description": "An SR-22 (or the higher-limit FR-44 some states substitute after a DUI) is a certificate an insurer files with the state proving a driver carries the mandated coverage, and states differ both in how long the filing must run \u2014 commonly two to five years \u2014 and\u2026"
    },
    {
      "slug": "ssi-state-supplement-amounts-by-state",
      "title": "SSI state supplement amounts by state and living arrangement",
      "records": 25,
      "last_verified": "2026-08-19",
      "description": "The federal SSI payment (the Federal Benefit Rate) is one number nationwide, but most states add a State Supplementary Payment on top of it, and that add-on varies by state and by the recipient's living arrangement (independent living, living in the household\u2026"
    },
    {
      "slug": "state-annual-report-filing-requirements",
      "title": "Annual Report Filing Requirements by State for LLCs and Corporations",
      "records": 39,
      "last_verified": "2026-09-01",
      "description": "Annual or periodic report filing deadlines, fees, and administrative dissolution consequences for LLCs and corporations in each US state and DC."
    },
    {
      "slug": "state-apprenticeship-ratios-by-trade",
      "title": "State construction apprentice-to-journeyman ratio requirements by trade",
      "records": 43,
      "last_verified": "2026-08-15",
      "description": "Apprentice-to-journeyman ratio requirements for construction trades in each US state."
    },
    {
      "slug": "state-assistive-device-lemon-laws",
      "title": "Assistive device lemon laws by state: wheelchair and mobility device repair, replacement and refund thresholds",
      "records": 9,
      "last_verified": "2026-08-31",
      "description": "When does a wheelchair, scooter or other assistive device qualify for replacement or a refund?"
    },
    {
      "slug": "state-certificate-of-need-programs",
      "title": "Certificate of need programs by US state",
      "records": 51,
      "last_verified": "2026-09-01",
      "description": "Which US states operate a certificate-of-need (CON) program for healthcare facilities, and what each program regulates."
    },
    {
      "slug": "state-civil-statute-of-limitations",
      "title": "Civil statute of limitations by state and type of claim",
      "records": 238,
      "last_verified": "2026-08-25",
      "description": "How long do you have to sue? Every state sets a different clock for each kind of civil claim, and missing it ends the claim outright \u2014 no defence, no appeal on the merits."
    },
    {
      "slug": "state-comparative-fault-joint-liability-rules",
      "title": "Comparative fault system and joint and several liability rules by state",
      "records": 75,
      "last_verified": "2026-08-31",
      "description": "If you are partly at fault for your own injury, can you still sue? And if multiple defendants caused the harm, can you collect the full judgment from just one of them?"
    },
    {
      "slug": "state-construction-defect-limitations-periods",
      "title": "State construction defect statute of limitations and statute of repose periods",
      "records": 20,
      "last_verified": "2026-09-01",
      "description": "Can I still sue for this construction defect? Every US state sets two independent clocks: the statute of limitations (SOL \u2014 typically 2-6 years from discovery of the defect) and the statute of repose (SOR \u2014 typically 6-15 years from substantial completion\u2026"
    },
    {
      "slug": "state-consumer-cooling-off-periods",
      "title": "Consumer contract cooling-off and rescission periods by US state and transaction type",
      "records": 31,
      "last_verified": "2026-08-18",
      "description": "State-by-state comparison of the cancellation windows consumers have after signing specific types of contracts."
    },
    {
      "slug": "state-dam-safety-classification",
      "title": "Dam safety hazard classification, inspection frequency, and owner obligations by US state",
      "records": 20,
      "last_verified": "2026-08-18",
      "description": "State-by-state comparison of dam safety programs: hazard classification systems, inspection frequencies, who must inspect, and dam owner obligations."
    },
    {
      "slug": "state-data-privacy-applicability-thresholds",
      "title": "US state consumer data privacy laws: applicability thresholds by state",
      "records": 18,
      "last_verified": "2026-08-12",
      "description": "For each US state with a comprehensive consumer data privacy law, the thresholds a business must meet for the law to apply: consumer volume (number of state residents whose data is processed), revenue from data sales (percentage of gross revenue derived from\u2026"
    },
    {
      "slug": "state-earned-wage-access-regulations",
      "title": "State Earned Wage Access (EWA) Regulatory Frameworks \u2014 Classification, Fee Caps, and Licensing Requirements",
      "records": 11,
      "last_verified": "2026-08-18",
      "description": "How is earned wage access regulated in each state? Twelve states have enacted EWA-specific laws as of March 2026, with wide variation: some classify EWA as a loan requiring a consumer lending license, others create a new product category exempt from lending\u2026"
    },
    {
      "slug": "state-emerging-substance-scheduling",
      "title": "State controlled-substance scheduling of xylazine and tianeptine",
      "records": 15,
      "last_verified": "2026-08-19",
      "description": "For each US state that has acted, the controlled-substance schedule it assigns to substances that are NOT federally scheduled: xylazine and tianeptine \u2014 sourced from the state's own statute or administrative rule."
    },
    {
      "slug": "state-employment-law-headcount-triggers",
      "title": "State employment law headcount triggers that deviate from federal thresholds",
      "records": 66,
      "last_verified": "2026-09-01",
      "description": "Employee-count thresholds at which state-specific employment laws kick in, focusing on where states deviate from the federal floor."
    },
    {
      "slug": "state-fertility-insurance-mandates",
      "title": "State insurance mandates for fertility treatment and IVF coverage",
      "records": 26,
      "last_verified": "2026-09-01",
      "description": "Which US states require private health insurers to cover fertility diagnosis, treatment, or preservation, and the specific terms of each mandate."
    },
    {
      "slug": "state-heat-illness-prevention-standards",
      "title": "State Heat Illness Prevention Standards \u2014 Temperature Triggers and Required Employer Actions",
      "records": 7,
      "last_verified": "2026-08-17",
      "description": "At what outdoor temperature must employers provide shade, water, rest breaks, and written prevention plans?"
    },
    {
      "slug": "state-homestead-exemption-amounts",
      "title": "Homestead exemption amounts by state",
      "records": 18,
      "last_verified": "2026-08-31",
      "description": "How much equity in a home a creditor cannot reach, state by state, taken from each state's own statute."
    },
    {
      "slug": "state-hospital-financial-assistance-thresholds",
      "title": "State minimum standards for hospital financial assistance (charity care)",
      "records": 14,
      "last_verified": "2026-08-30",
      "description": "The income floor a US state's own law forces hospitals to meet before they may bill a patient \u2014 stated as a percentage of the federal poverty level, taken one state at a time from that state's statute, never from a compilation."
    },
    {
      "slug": "state-insurance-complaint-index-by-company",
      "title": "State Insurance Department Complaint Index by Company",
      "records": 622,
      "last_verified": "2026-09-01",
      "description": "Every state insurance department publishes, for each licensed insurer and line of business, how many complaints consumers filed against that company and how much premium the company wrote in that state, together with its own summary figure comparing the two."
    },
    {
      "slug": "state-insurer-of-last-resort-coverage-limits",
      "title": "State insurer-of-last-resort programs \u2014 FAIR Plan / Citizens eligibility and coverage limits",
      "records": 32,
      "last_verified": "2026-09-01",
      "description": "When private insurers won't write a property in a wildfire or hurricane state, the state's residual-market insurer (a FAIR Plan or a corporation like Florida's Citizens) is the fallback \u2014 but the dollar limits and the rule that determines who is even eligible\u2026"
    },
    {
      "slug": "state-lemon-law-eligibility-thresholds",
      "title": "State lemon law eligibility thresholds: time limits, mileage, and repair attempts by US state",
      "records": 12,
      "last_verified": "2026-08-17",
      "description": "When does a car qualify as a lemon in your state? The thresholds that trigger a state lemon law vary widely: the qualifying window runs from one year or 12,000 miles (Illinois) and one year or 15,000 miles (Massachusetts) to two years or 24,000 miles\u2026"
    },
    {
      "slug": "state-marketplace-assistance-programs",
      "title": "State health insurance marketplace assistance by state: who runs it, where subsidies start and stop, and what the state adds",
      "records": 51,
      "last_verified": "2026-08-19",
      "description": "One record per US state and the District of Columbia, stating who operates its health insurance marketplace, the income at which premium tax credit eligibility begins there, whether a coverage gap exists below it, and what the state itself adds on top of the\u2026"
    },
    {
      "slug": "state-medical-malpractice-damages-caps",
      "title": "Medical malpractice noneconomic damages caps by state",
      "records": 60,
      "last_verified": "2026-08-31",
      "description": "How much can a patient recover for pain and suffering in a medical malpractice case?"
    },
    {
      "slug": "state-mini-warn-act-thresholds",
      "title": "State mini-WARN act thresholds: layoff notice requirements beyond federal WARN",
      "records": 11,
      "last_verified": "2026-08-18",
      "description": "For each US state with its own layoff-notice (mini-WARN) statute: the employer size that makes the law apply, the layoff or closing size that triggers notice, how many days of notice are owed, and whether severance is mandatory \u2014 each from the state's own\u2026"
    },
    {
      "slug": "state-minimum-marriage-age-exceptions",
      "title": "Minimum marriage age and exceptions by state",
      "records": 56,
      "last_verified": "2026-08-31",
      "description": "What is the youngest age someone can legally marry in this state, and what exceptions exist?"
    },
    {
      "slug": "state-opioid-prescribing-limits",
      "title": "State Opioid Initial Prescribing Limits",
      "records": 11,
      "last_verified": "2026-09-01",
      "description": "Maximum days' supply for a first opioid prescription for acute pain, by state, with the statutory or regulatory citation."
    },
    {
      "slug": "state-osha-plan-penalty-maximums",
      "title": "State OSHA plan civil penalty maximums by violation type compared with federal",
      "records": 25,
      "last_verified": "2026-08-15",
      "description": "Maximum civil penalty amounts for workplace safety violations in each OSHA-approved State Plan, compared with the federal OSHA baseline."
    },
    {
      "slug": "state-paid-family-leave-programs",
      "title": "State paid family and medical leave program contribution rates, benefits, and eligibility",
      "records": 15,
      "last_verified": "2026-09-01",
      "description": "The mandatory paid family and medical leave programs that US states operate, with each state's current contribution rate, employer/employee split, maximum weekly benefit, wage replacement formula, leave duration, covered reasons, employer-size threshold, and\u2026"
    },
    {
      "slug": "state-paid-family-medical-leave-programs",
      "title": "US state paid family and medical leave (PFML) program requirements for employers",
      "records": 14,
      "last_verified": "2026-09-01",
      "description": "Contribution rates, employer/employee splits, employee-count thresholds, benefit durations, wage replacement formulas, and maximum weekly benefits for every US state that mandates paid family and medical leave."
    },
    {
      "slug": "state-pay-transparency-salary-range-disclosure",
      "title": "State pay transparency laws \u2014 salary range disclosure requirements",
      "records": 14,
      "last_verified": "2026-08-19",
      "description": "Whether an employer must disclose a salary/wage range in a job posting varies by state on three axes that only the statute text states precisely: the employee-count threshold that triggers the duty, whether the range must appear in the posting itself or only\u2026"
    },
    {
      "slug": "state-pfas-product-restrictions",
      "title": "US state PFAS product restriction effective dates by category",
      "records": 101,
      "last_verified": "2026-08-14",
      "description": "State-by-state PFAS product ban and restriction effective dates. Each record is one state\u2019s ban on one product category, with the effective date, the statute or bill number, the enforcement agency, and any exemptions (e.g. currently unavoidable use)."
    },
    {
      "slug": "state-prevailing-wage-thresholds",
      "title": "State prevailing wage law applicability thresholds",
      "records": 11,
      "last_verified": "2026-08-15",
      "description": "At what project dollar amount does the prevailing wage apply in each state?"
    },
    {
      "slug": "state-promise-free-college-programs",
      "title": "State tuition-free college (promise) programs: eligibility rules by state",
      "records": 5,
      "last_verified": "2026-08-18",
      "description": "For each US state with a statewide tuition-free college ('promise' or 'reconnect') program: the program name, which institutions and credentials it covers, the funding model (last-dollar vs first-dollar, as the page states it), the income limit if any, the\u2026"
    },
    {
      "slug": "state-public-works-bond-thresholds",
      "title": "State public works payment and performance bond thresholds (Little Miller Acts)",
      "records": 53,
      "last_verified": "2026-09-01",
      "description": "Do I need a surety bond on this public works project in my state, and how much?"
    },
    {
      "slug": "state-radon-disclosure-requirements",
      "title": "State Residential Radon Disclosure, Testing, and Certification Requirements",
      "records": 41,
      "last_verified": "2026-09-01",
      "description": "State laws governing radon in residential real estate transactions vary dramatically."
    },
    {
      "slug": "state-real-estate-transfer-tax",
      "title": "Real estate transfer tax by state: rate, who pays, brackets and first-time buyer relief",
      "records": 22,
      "last_verified": "2026-08-31",
      "description": "What does it cost to transfer a house, who is legally liable for the tax, and does a first-time buyer get relief?"
    },
    {
      "slug": "state-right-to-repair-laws",
      "title": "State Right-to-Repair Laws: Coverage, Requirements, and Effective Dates",
      "records": 6,
      "last_verified": "2026-09-01",
      "description": "Which US states have enacted right-to-repair laws, what products each law covers (electronics, agricultural equipment, powered wheelchairs, automobiles), the price threshold above which parts and documentation must be provided, whether parts-pairing is\u2026"
    },
    {
      "slug": "state-section-179-bonus-depreciation-conformity",
      "title": "State conformity to federal Section 179 and bonus depreciation rules",
      "records": 51,
      "last_verified": "2026-09-01",
      "description": "Whether each US state conforms to the federal Section 179 expensing limit and the 100% bonus depreciation deduction, and what state-specific caps or add-back rules apply when it does not."
    },
    {
      "slug": "state-small-estate-affidavit-thresholds",
      "title": "State small estate affidavit and simplified probate thresholds",
      "records": 13,
      "last_verified": "2026-08-18",
      "description": "Dollar thresholds below which heirs can use a small estate affidavit or simplified probate procedure to transfer a decedent's property without full probate, for each US state and DC."
    },
    {
      "slug": "state-ui-taxable-wage-bases",
      "title": "State unemployment insurance taxable wage bases and new employer tax rates by US state",
      "records": 14,
      "last_verified": "2026-09-01",
      "description": "For each US state and DC, the taxable wage base (the per-employee annual earnings cap on which unemployment insurance tax is owed) and the tax rate assigned to new employers \u2014 sourced from each state's labor department or employment security agency."
    },
    {
      "slug": "state-unclaimed-property-dormancy-periods",
      "title": "US state unclaimed property dormancy periods by property type",
      "records": 81,
      "last_verified": "2026-08-15",
      "description": "How many years of inactivity before each type of property (wages, checks, insurance proceeds, utility deposits, gift cards, safe-deposit boxes, securities, etc.) must be reported as unclaimed in each US state."
    },
    {
      "slug": "state-universal-license-recognition-laws",
      "title": "US state universal occupational license recognition laws \u2014 conditions and scope",
      "records": 10,
      "last_verified": "2026-08-15",
      "description": "Which US states have passed universal occupational license recognition laws, what conditions they impose (minimum years licensed, good standing, criminal background, exam requirements), which professions are excluded, and whether military spouse provisions\u2026"
    },
    {
      "slug": "state-window-tint-vlt-limits",
      "title": "State Window Tint Darkness (VLT%) Limits by Window Position",
      "records": 83,
      "last_verified": "2026-08-28",
      "description": "Every state sets its own minimum visible-light-transmittance (VLT) percentage for aftermarket window tint, and the limit is usually different for the windshield, front side windows, rear side windows, and rear window -- so the same tint film can be legal in\u2026"
    },
    {
      "slug": "state-worker-classification-tests",
      "title": "State Worker Classification Tests \u2014 Independent Contractor vs Employee",
      "records": 10,
      "last_verified": "2026-08-18",
      "description": "Which legal test each U.S. state uses to distinguish employees from independent contractors (ABC test, common law/right-to-control, or modified ABC), the statutory citation, key exemptions by industry or occupation, and the date the current test took effect."
    },
    {
      "slug": "stihl-chainsaw-chain-and-bar-specs",
      "title": "Stihl chainsaw chain and bar specifications by model",
      "records": 806,
      "last_verified": "2026-09-02",
      "description": "Chain pitch, gauge, drive link count, bar length and OEM chain part number for each Stihl chainsaw model and bar combination \u2014 including the MSE electric saws and HT pole pruner models the dealer charts list alongside the petrol saws."
    },
    {
      "slug": "stolen-ebt-benefit-replacement-by-state",
      "title": "Stolen EBT/SNAP benefit replacement policy by US state",
      "records": 9,
      "last_verified": "2026-08-18",
      "description": "For each US state that publishes one: whether SNAP or cash-assistance benefits stolen by electronic theft (skimming, cloning, phishing) are replaced, under what authority, and for what date ranges \u2014 after the federal replacement mandate expired on December\u2026"
    },
    {
      "slug": "str-registration-rules-major-cities",
      "title": "Short-term rental registration rules, city by city, from each city's own page",
      "records": 7,
      "last_verified": "2026-08-18",
      "description": "For each major US city, from the city government's own page: whether short-term rentals must register or be licensed, the fee, the licence term, primary-residence and unit-count limits, and dated rule changes."
    },
    {
      "slug": "superseded-standards-mappings",
      "title": "Superseded and deprecated identifier mappings",
      "records": 141,
      "last_verified": "2026-08-04",
      "description": "Withdrawn standards, deprecated API models and retired identifiers mapped to their named successors."
    },
    {
      "slug": "syringe-needle-gauge-dimensions",
      "title": "Hypodermic needle gauge dimensions (OD, ID, wall thickness, dead volume)",
      "records": 51,
      "last_verified": "2026-08-27",
      "description": "The physical dimensions behind a needle gauge number: nominal outer diameter, inner diameter, wall thickness, and dead volume per 25.4 mm of needle."
    },
    {
      "slug": "texas-electrician-licensing-practice-questions",
      "title": "Texas electrician licensing: practice questions with the answer quoted from TDLR",
      "records": 127,
      "last_verified": "2026-08-25",
      "description": "Practice questions on the Texas electrician licensing path \u2014 hours, supervision, application forms and fees, the exam, renewal, continuing education and reciprocity \u2014 where the answer to every question is a word-for-word extract from the page the Texas\u2026"
    },
    {
      "slug": "thermocouple-type-color-code-crosswalk",
      "title": "Thermocouple type letter to alloy pair, ANSI/IEC color code and tolerance class",
      "records": 12,
      "last_verified": "2026-08-19",
      "description": "A thermocouple's type letter (J, K, T, E, N, R, S, B, C...) names an alloy pair, but the wire color that identifies it on the bench is set by a different standards body depending on where the part was made or bought \u2014 ANSI/ASTM MC96.1 uses one color code, IEC\u2026"
    },
    {
      "slug": "time-barred-debt-revival-rules-by-state",
      "title": "Does paying old debt restart the statute of limitations, by state",
      "records": 19,
      "last_verified": "2026-09-01",
      "description": "Once a debt's statute of limitations has run, a collector can still call and can still get you to pay something \u2014 and in roughly half the states, doing so restarts the clock and makes the whole balance suable again ('zombie debt')."
    },
    {
      "slug": "tls-certificate-requirement-effective-dates",
      "title": "TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)",
      "records": 45,
      "last_verified": "2026-08-05",
      "description": "Forward-dated schedule of when each TLS certificate and certificate authority requirement takes effect, and which programme it binds."
    },
    {
      "slug": "toll-transponder-interoperability",
      "title": "Toll transponder interoperability: which pass works in which states",
      "records": 16,
      "last_verified": "2026-09-01",
      "description": "For each US toll transponder programme (E-ZPass, SunPass and SunPass PRO, TxTag and the Central US partners, and the rest as their pages prove reachable): the states and networks where that transponder is accepted, from the operating agency's own\u2026"
    },
    {
      "slug": "truck-size-weight-limits-by-state",
      "title": "Maximum legal vehicle size and weight limits by US state",
      "records": 5,
      "last_verified": "2026-09-01",
      "description": "For each US state, the maximum legal dimensions and gross weight a vehicle plus load may have on state highways before an oversize/overweight permit is required, from the state's own vehicle code or DOT/DMV page: width, height, semitrailer length, combination\u2026"
    },
    {
      "slug": "tsca-section-6-chemical-risk-management-status",
      "title": "EPA TSCA Section 6 chemical risk management status: prohibitions, effective dates, and exemptions",
      "records": 16,
      "last_verified": "2026-09-01",
      "description": "Status of EPA risk management rules for chemicals found to present unreasonable risk under TSCA Section 6."
    },
    {
      "slug": "ui-weekly-benefit-and-duration-by-state",
      "title": "Unemployment insurance: maximum weekly benefit and weeks of duration by US state",
      "records": 6,
      "last_verified": "2026-09-01",
      "description": "For each US state: the maximum (and minimum, where stated) weekly unemployment benefit amount, the maximum number of payable weeks, and \u2014 where the state uses one \u2014 the sliding-scale rule that ties duration to the state unemployment rate."
    },
    {
      "slug": "ul-classified-circuit-breaker-cross-reference-by-brand",
      "title": "UL-Classified replacement circuit breaker cross-reference by panel brand",
      "records": 26,
      "last_verified": "2026-08-26",
      "description": "Residential circuit breakers that Underwriters Laboratories has Classified for use in a different manufacturer's load centre, taken from each manufacturer's own catalog."
    },
    {
      "slug": "ust-financial-responsibility-minimum-coverage",
      "title": "Underground storage tank financial responsibility minimum coverage amounts",
      "records": 17,
      "last_verified": "2026-08-26",
      "description": "Owners and operators of petroleum underground storage tanks (USTs) must prove they can cover the cost of corrective action and third-party damage from a release, in specific dollar amounts set by federal regulation and, in some states, by an alternative\u2026"
    },
    {
      "slug": "ust-operator-training-requirements",
      "title": "Underground Storage Tank Operator Training Requirements by State",
      "records": 7,
      "last_verified": "2026-08-18",
      "description": "Training, certification, and renewal requirements for Class A, B, and C UST operators in each US state, including whether EPA online training is accepted, exam pass thresholds, renewal intervals, and the implementing agency."
    },
    {
      "slug": "utility-shutoff-moratorium-by-state",
      "title": "Winter utility shutoff/disconnection moratorium by state",
      "records": 10,
      "last_verified": "2026-08-19",
      "description": "Whether a utility can disconnect service for non-payment during winter, and under what conditions, varies by state on the exact season window, which utility types are covered, and whether an income test applies."
    },
    {
      "slug": "utility-winter-shutoff-moratorium-by-state",
      "title": "Winter utility disconnection moratorium dates by state",
      "records": 5,
      "last_verified": "2026-08-30",
      "description": "Which calendar window each state bars an electric or gas utility from disconnecting a residential heating customer for non-payment, who the protection covers, and what a household has to do to be covered."
    },
    {
      "slug": "vacuum-filter-fitment",
      "title": "Miele vacuum cleaner bag type by model series",
      "records": 10,
      "last_verified": "2026-08-03",
      "description": "Which Miele dust bag type (GN, FJM, U, or KK) fits a given Miele vacuum cleaner model series."
    },
    {
      "slug": "vehicle-emissions-testing-by-state",
      "title": "Vehicle emissions testing: which counties require it, in which states",
      "records": 28,
      "last_verified": "2026-08-25",
      "description": "For each US state that runs a vehicle emissions inspection (I/M) program: which counties require testing, how often, which vehicles are exempt, and the test type \u2014 from the state environmental agency's own page, not a DMV content mill."
    },
    {
      "slug": "vehicle-inspection-defect-categories",
      "title": "Vehicle inspection defect categories: MOT major, minor and dangerous verdicts",
      "records": 1422,
      "last_verified": "2026-09-01",
      "description": "What each vehicle defect is categorised as at a roadworthiness inspection, and therefore whether it fails the test."
    },
    {
      "slug": "vehicle-lemon-law-thresholds-by-state",
      "title": "Vehicle Lemon Law Eligibility Thresholds by State",
      "records": 34,
      "last_verified": "2026-08-31",
      "description": "State lemon law eligibility thresholds for new motor vehicles in each US state and DC: the time window, mileage limit, number of repair attempts required, and cumulative out-of-service days that trigger the presumption, with the controlling statute cited."
    },
    {
      "slug": "vehicle-repossession-cure-rights-by-state",
      "title": "After a car is repossessed, can you get it back by paying only what's late, or must you pay off the whole loan, by state",
      "records": 13,
      "last_verified": "2026-09-01",
      "description": "Every state's UCC Article 9 (\u00a7 9-623) gives a defaulted borrower a right to 'redeem' repossessed collateral, but redemption means paying the ENTIRE remaining balance plus repossession costs -- not just the missed payments."
    },
    {
      "slug": "vehicle-title-transfer-deadlines-by-state",
      "title": "Vehicle title transfer deadlines and late penalties by state",
      "records": 13,
      "last_verified": "2026-08-18",
      "description": "For each US state: how many days a private-party buyer has to apply for a new certificate of title after buying a vehicle, and what the statute charges for missing the deadline \u2014 each from the state's own titling statute with a verbatim quote."
    },
    {
      "slug": "vehicle-trade-in-sales-tax-credit-by-state",
      "title": "Vehicle trade-in sales tax credit rules by state -- full price taxed, or only the difference",
      "records": 47,
      "last_verified": "2026-08-20",
      "description": "When you trade a car in, does the state charge sales tax on the full price of the new car, or only on the price left after the trade-in is deducted?"
    },
    {
      "slug": "veteran-property-tax-exemptions-by-state",
      "title": "State Property Tax Exemptions for Disabled Veterans \u2014 Exemption Amounts, Disability Rating Thresholds, and Eligibility Rules",
      "records": 9,
      "last_verified": "2026-08-18",
      "description": "How much property tax does a disabled veteran owe in each state? All 50 states offer some form of property tax exemption for veterans with service-connected disabilities, but the exemption amount, qualifying disability rating, home value caps, and surviving\u2026"
    },
    {
      "slug": "voc-limits-architectural-coatings",
      "title": "VOC content limits for architectural coatings by jurisdiction",
      "records": 222,
      "last_verified": "2026-09-01",
      "description": "Maximum volatile organic compound (VOC) content limits for architectural coatings (paint, primer, stain, sealant, varnish) by regulatory jurisdiction."
    },
    {
      "slug": "wage-garnishment-exemption-thresholds-by-state",
      "title": "Wage garnishment limits and exempt earnings by state",
      "records": 39,
      "last_verified": "2026-08-30",
      "description": "How much of a debtor's pay a creditor may garnish for an ordinary money judgment in each US state, taken one state at a time from that state's own statute."
    },
    {
      "slug": "wc-medical-fee-schedule-multipliers-by-state",
      "title": "Workers' compensation medical fee schedule conversion factors by US state \u2014 reimbursement rates, service category breakdowns, fee schedule basis, and effective dates",
      "records": 6,
      "last_verified": "2026-08-18",
      "description": "State-by-state comparison of workers' compensation medical fee schedule conversion factors \u2014 the dollar amounts per relative value unit that determine how much providers are reimbursed for services under workers' comp."
    },
    {
      "slug": "wc-waiting-periods-by-state",
      "title": "Workers' compensation waiting periods and retroactive thresholds by US state",
      "records": 17,
      "last_verified": "2026-08-17",
      "description": "For each US state and DC, the number of days an injured worker must wait before wage-replacement benefits begin, and the number of disability days after which the waiting period is paid retroactively \u2014 sourced from each state's workers' compensation statute\u2026"
    },
    {
      "slug": "weights-measures-device-inspection-intervals-by-state",
      "title": "How often gas pumps and retail scales get inspected, by state",
      "records": 6,
      "last_verified": "2026-08-20",
      "description": "For each US state: how often commercial fuel dispensers and retail scales are tested for accuracy, and who has to arrange it -- taken from the state's own statute where the state sets an interval in law, and from the agency's own description of its programme\u2026"
    },
    {
      "slug": "well-water-testing-at-property-transfer",
      "title": "Private well water testing at property sale: which states require it",
      "records": 13,
      "last_verified": "2026-09-01",
      "description": "For each US state whose statute or health department states a position: whether private well water must be tested when a home is sold, what must be tested for, and who is responsible."
    },
    {
      "slug": "whistleblower-filing-deadlines",
      "title": "Federal Whistleblower Protection Filing Deadlines by Statute",
      "records": 25,
      "last_verified": "2026-09-01",
      "description": "Filing deadlines, covered industries, and enforcement mechanisms for the 25 federal whistleblower protection statutes administered by OSHA."
    },
    {
      "slug": "will-execution-requirements-by-state",
      "title": "Will execution requirements by state: witnesses, notarization, holographic and electronic wills",
      "records": 13,
      "last_verified": "2026-08-18",
      "description": "What each US state's probate/estates code requires for a will to be validly executed: how many witnesses, whether they must sign in the testator's presence, whether notarization can substitute for witnesses, whether holographic (handwritten, unwitnessed)\u2026"
    },
    {
      "slug": "workers-comp-coverage-thresholds-by-state",
      "title": "Workers' compensation insurance requirements by US state: employee thresholds, who counts, and industry exceptions",
      "records": 7,
      "last_verified": "2026-08-12",
      "description": "For each US state and DC, the minimum number of employees that triggers mandatory workers' compensation insurance, which workers count toward that total (part-time, seasonal, family members, corporate officers, LLC members), which industries face stricter\u2026"
    },
    {
      "slug": "workplace-exposure-limits",
      "title": "US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side",
      "records": 886,
      "last_verified": "2026-08-05",
      "description": "Airborne exposure limits for workplace chemicals as stated by two independent authorities: federal OSHA's Table Z-1 (29 CFR 1910.1000) and California's own Table AC-1 (8 CCR 5155)."
    }
  ]
}