# Federal Register 2026-17752 — effective 2026-09-30 — First Step Act Time Credits-Revisions — Prisons Bureau For Federal Register 2026-17752, effective date is 2026-09-30; agency is Prisons Bureau; published is 2026-08-31; cfr parts amended is 28 CFR 523; dates, as printed is Effective date: This rule is effective September 30, 2026, recorded from its source on 2026-08-31; source re-checked 2026-09-18. - **FR document number:** 2026-17752 _(verified: appears in the quote below)_ - **Rule:** First Step Act Time Credits-Revisions _(verified: appears in the quote below)_ - **Agency:** Prisons Bureau _(verified: appears in the quote below)_ - **Effective date:** 2026-09-30 _(verified: appears in the quote below)_ - **DATES, as printed:** Effective date: This rule is effective September 30, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 28 CFR 523 _(our reading, not quoted from the source)_ - **Published:** 2026-08-31 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-17752","title":"First Step Act Time Credits-Revisions","agency_names":["Justice Department","Prisons Bureau"],"effective_on":"2026-09-30","dates":"Effective date: This rule is effective September 30, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"523","title":28}],"publication_date":"2026-08-31","html_url":"https://www.federalregister.gov/documents/2026/08/31/2026-17752/first-step-act-time-credits-revisions"} ## 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: 2026-09-18. Review by: 2026-09-29. Part of [Federal rules taking effect: every US final rule in the Federal Register, by effective date](https://referencesource.org/federal-rules-taking-effect/).