CFR›Title 21›Chapter I›Part 105›21 CFR Part 105 Subpart A Citation21 CFR Part 105 Subpart AContainsSection § 105.3CorpusDaily eCFRDisplayed edition2026-10-21Last updated2026-10-21 Subpart A—General Provisions Sections § 105.3 § 105.3 Definitions and interpretations. Authority21 U.S.C. 321, 341, 343, 348, 350, 371, 379e.Source42 FR 14328, Mar. 15, 1977, unless otherwise noted. Next B Subpart B—Label Statements