CFR›Title 21›Chapter I›Part 100 ContainsSubparts A–GCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 100—GENERALEditorial Note:Nomenclature changes to part 100 appear at 81 FR 49895, July 29, 2016. Subparts A Subpart A—State and Local Requirements Sections 100.1–100.2 B-E Subparts B-E [Reserved] F Subpart F—Misbranding for Reasons Other Than Labeling Section 100.100 G Subpart G—Specific Administrative Rulings and Decisions Section 100.155 Authority21 U.S.C. 321, 331, 337, 342, 343, 348, 371.Source42 FR 14306, Mar. 15, 1977, unless otherwise noted. Previous 99 Part 99—Dissemination of Information on Unapproved/New Uses for Marketed Drugs, Biologics, and Devices Next 101 Part 101—Food Labeling
PART 100—GENERALEditorial Note:Nomenclature changes to part 100 appear at 81 FR 49895, July 29, 2016.