# Federal Register 2026-19211 — effective 2026-10-19 — International Traffic in Arms Regulations: Modification of U.S. Munitions List Category XX(a) — State Department For Federal Register 2026-19211, effective date is 2026-10-19; agency is State Department; published is 2026-09-18; cfr parts amended is 22 CFR 121; dates, as printed is Effective date: This rule is effective October 19, 2026, recorded from its source on 2026-09-21; source re-checked 2026-11-03. - **FR document number:** 2026-19211 _(verified: appears in the quote below)_ - **Rule:** International Traffic in Arms Regulations: Modification of U.S. Munitions List Category XX(a) _(verified: appears in the quote below)_ - **Agency:** State Department _(verified: appears in the quote below)_ - **Effective date:** 2026-10-19 _(verified: appears in the quote below)_ - **DATES, as printed:** Effective date: This rule is effective October 19, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 22 CFR 121 _(our reading, not quoted from the source)_ - **Published:** 2026-09-18 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-19211","title":"International Traffic in Arms Regulations: Modification of U.S. Munitions List Category XX(a)","agency_names":["State Department"],"effective_on":"2026-10-19","dates":"Effective date: This rule is effective October 19, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"121","title":22}],"publication_date":"2026-09-18","html_url":"https://www.federalregister.gov/documents/2026/09/18/2026-19211/international-traffic-in-arms-regulations-modification-of-us-munitions-list-category-xxa"} ## 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/).