CFR›Title 21›Chapter I›Part 129›21 CFR Part 129 Subpart E Citation21 CFR Part 129 Subpart EContainsSection 129.80CorpusDaily eCFRDisplayed edition2026-06-01Last updated2026-06-01 Subpart E—Production and Process Controls Sections 129.80 § 129.80 Processes and controls. Authority21 U.S.C. 342, 348, 350k, 371, 374, 42 U.S.C. 264.Source42 FR 14355, Mar. 15, 1977, unless otherwise noted. Previous C Subpart C—Equipment