Regulations last checked for updates: Jan 18, 2025

Title 21 - Food and Drugs last revised: Dec 26, 2025
authority: 21 U.S.C. 321,351,352,355,371,374; Sec. 121, Pub. L. 105-115, 111 Stat. 2296
source: 74 FR 65431, Dec. 10, 2009, unless otherwise noted.