CFR›Title 21›Chapter I›21 CFR Part 1100 Citation21 CFR Part 1100ContainsSubparts Subpart A–Subpart CCorpusDaily eCFRDisplayed edition2026-09-28Last updated2026-09-28 PART 1100—General Subparts Subpart A Subpart A—Tobacco Products Subject to FDA Authority Subpart B Subpart B [Reserved] Subpart C Subpart C—Maintenance of Records Demonstrating That a Tobacco Product Was Commercially Marketed in the United States as of February 15, 2007. Authority21 U.S.C. 371, 374, 387a(b), 387e, 387i; Pub. L. 117-103, 136 Stat. 49.Source81 FR 29102, May 10, 2016, unless otherwise noted.