# Federal Register 2026-21603 — effective 2026-12-21 — Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program — Environmental Protection Agency For Federal Register 2026-21603, effective date is 2026-12-21; agency is Environmental Protection Agency; published is 2026-10-22; cfr parts amended is 40 CFR 282, recorded from its source on 2026-10-26; source re-checked 2026-11-03. - **FR document number:** 2026-21603 _(verified: appears in the quote below)_ - **Rule:** Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program _(verified: appears in the quote below)_ - **Agency:** Environmental Protection Agency _(verified: appears in the quote below)_ - **Effective date:** 2026-12-21 _(verified: appears in the quote below)_ - **DATES, as printed:** This rule is effective December 21, 2026, unless the EPA receives adverse comment by November 23, 2026. If the EPA receives adverse comment, it will publish a timely withdrawal in the Federal Register informing the public that the rule will not take effect. The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of December 21, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 40 CFR 282 _(our reading, not quoted from the source)_ - **Published:** 2026-10-22 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-21603","title":"Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program","agency_names":["Environmental Protection Agency"],"effective_on":"2026-12-21","dates":"This rule is effective December 21, 2026, unless the EPA receives adverse comment by November 23, 2026. If the EPA receives adverse comment, it will publish a timely withdrawal in the Federal Register informing the public that the rule will not take effect. The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of December 21, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"282","title":40}],"publication_date":"2026-10-22","html_url":"https://www.federalregister.gov/documents/2026/10/22/2026-21603/nevada-codification-and-incorporation-by-reference-of-approved-underground-storage-tank-program"} ## Source - https://www.federalregister.gov/api/v1/documents.json?per_page=1000&order=oldest&conditions%5Btype%5D%5B%5D=RULE&conditions%5Beffective_date%5D%5Bgte%5D=2026-08-31&conditions%5Beffective_date%5D%5Blte%5D=2026-12-31&fields%5B%5D=document_number&fields%5B%5D=title&fields%5B%5D=agency_names&fields%5B%5D=effective_on&fields%5B%5D=dates&fields%5B%5D=cfr_references&fields%5B%5D=publication_date&fields%5B%5D=html_url Last verified: 2026-11-03. Review by: 2026-11-16. Part of [Federal rules taking effect: every US final rule in the Federal Register, by effective date](https://referencesource.org/federal-rules-taking-effect/).