# 2026-15920 — Federal rules taking effect: every published US final rule whose effective date is still in the future

For 2026-15920, rule is Micro-Tracers, Inc.; Response to Objections and Requests for a Public Hearing; agency is Food and Drug Administration; effective date is 2027-01-15; dates, as printed is This order that published in the Federal Register of January 16, 2025 (90 FR 4628) with effective dates of January 15, 2027, and January 18, 2028, was administratively stayed by the filing of objections under section 701(e)(2) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) (21 U.S.C. 371(e)(2)) as of February 18, 2025. FDA lifts the administrative stay as of August 5, 2026. The effective dates of January 15, 2027, and January 18, 2028, for amendatory instruction 4, for the order published on January 16, 2025 (90 FR 4628), are confirmed; cfr parts amended is 21 CFR 74, recorded from its source on 2026-08-10.

- **FR document number:** 2026-15920 _(verified: appears in the quote below)_
- **Rule:** Micro-Tracers, Inc.; Response to Objections and Requests for a Public Hearing _(verified: appears in the quote below)_
- **Agency:** Food and Drug Administration _(verified: appears in the quote below)_
- **Effective date:** 2027-01-15 _(verified: appears in the quote below)_
- **DATES, as printed:** This order that published in the Federal Register of January 16, 2025 (90 FR 4628) with effective dates of January 15, 2027, and January 18, 2028, was administratively stayed by the filing of objections under section 701(e)(2) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) (21 U.S.C. 371(e)(2)) as of February 18, 2025. FDA lifts the administrative stay as of August 5, 2026. The effective dates of January 15, 2027, and January 18, 2028, for amendatory instruction 4, for the order published on January 16, 2025 (90 FR 4628), are confirmed. _(verified: appears in the quote below)_
- **CFR parts amended:** 21 CFR 74 _(our reading, not quoted from the source)_
- **Published:** 2026-08-05 _(verified: appears in the quote below)_

## What the source says

> {"document_number":"2026-15920","title":"Micro-Tracers, Inc.; Response to Objections and Requests for a Public Hearing","agency_names":["Health and Human Services Department","Food and Drug Administration"],"effective_on":"2027-01-15","dates":"This order that published in the Federal Register of January 16, 2025 (90 FR 4628) with effective dates of January 15, 2027, and January 18, 2028, was administratively stayed by the filing of objections under section 701(e)(2) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) (21 U.S.C. 371(e)(2)) as of February 18, 2025. FDA lifts the administrative stay as of August 5, 2026. The effective dates of January 15, 2027, and January 18, 2028, for amendatory instruction 4, for the order published on January 16, 2025 (90 FR 4628), are confirmed.","cfr_references":[{"chapter":null,"citation_url":null,"part":"74","title":21}],"publication_date":"2026-08-05","html_url":"https://www.federalregister.gov/documents/2026/08/05/2026-15920/micro-tracers-inc-response-to-objections-and-requests-for-a-public-hearing"}

## 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=2027-01-01&conditions%5Beffective_date%5D%5Blte%5D=2027-12-31&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: 2026-08-10. Review by: 2026-08-24.
Part of [Federal rules taking effect: every published US final rule whose effective date is still in the future](https://referencesource.org/federal-rules-taking-effect/).