# Federal Register 2026-20246 — effective 2026-12-01 — Modifications to the Capital Plan Rule and Stress Capital Buffer Requirement — Federal Reserve System For Federal Register 2026-20246, effective date is 2026-12-01; agency is Federal Reserve System; published is 2026-10-02; cfr parts amended is 12 CFR 225, 12 CFR 238, 12 CFR 252; dates, as printed is The final rule is effective December 1, 2026, recorded from its source on 2026-10-05; source re-checked 2026-11-03. - **FR document number:** 2026-20246 _(verified: appears in the quote below)_ - **Rule:** Modifications to the Capital Plan Rule and Stress Capital Buffer Requirement _(verified: appears in the quote below)_ - **Agency:** Federal Reserve System _(verified: appears in the quote below)_ - **Effective date:** 2026-12-01 _(verified: appears in the quote below)_ - **DATES, as printed:** The final rule is effective December 1, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 12 CFR 225, 12 CFR 238, 12 CFR 252 _(our reading, not quoted from the source)_ - **Published:** 2026-10-02 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-20246","title":"Modifications to the Capital Plan Rule and Stress Capital Buffer Requirement","agency_names":["Federal Reserve System"],"effective_on":"2026-12-01","dates":"The final rule is effective December 1, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"225","title":12},{"chapter":null,"citation_url":null,"part":"238","title":12},{"chapter":null,"citation_url":null,"part":"252","title":12}],"publication_date":"2026-10-02","html_url":"https://www.federalregister.gov/documents/2026/10/02/2026-20246/modifications-to-the-capital-plan-rule-and-stress-capital-buffer-requirement"} ## 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/).