# Federal Register 2026-19598 — effective 2026-09-24 — Rules of Practice — Federal Trade Commission For Federal Register 2026-19598, effective date is 2026-09-24; agency is Federal Trade Commission; published is 2026-09-24; cfr parts amended is 16 CFR 4, 16 CFR 5; dates, as printed is These rule revisions are effective on September 24, 2026, recorded from its source on 2026-09-24; source re-checked 2026-11-03. - **FR document number:** 2026-19598 _(verified: appears in the quote below)_ - **Rule:** Rules of Practice _(verified: appears in the quote below)_ - **Agency:** Federal Trade Commission _(verified: appears in the quote below)_ - **Effective date:** 2026-09-24 _(verified: appears in the quote below)_ - **DATES, as printed:** These rule revisions are effective on September 24, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 16 CFR 4, 16 CFR 5 _(our reading, not quoted from the source)_ - **Published:** 2026-09-24 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-19598","title":"Rules of Practice","agency_names":["Federal Trade Commission"],"effective_on":"2026-09-24","dates":"These rule revisions are effective on September 24, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"4","title":16},{"chapter":null,"citation_url":null,"part":"5","title":16}],"publication_date":"2026-09-24","html_url":"https://www.federalregister.gov/documents/2026/09/24/2026-19598/rules-of-practice"} ## 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/).