Regulations last checked for updates: Dec 17, 2025

Title 21 - Food and Drugs last revised: Dec 11, 2025
authority: 21 U.S.C. 371,374,387a,387i,387j; Pub. L. 117-103, 136 Stat. 49
source: 86 FR 55412, Oct. 4, 2021, unless otherwise noted.