Regulations last checked for updates: Dec 16, 2025

Title 21 - Food and Drugs last revised: Dec 04, 2025
All TitlesTitle 21Chapter IPart 101Subpart 0 -
authority: 15 U.S.C. 1453,1454,1455; 21 U.S.C. 321,331,342,343,348,371; 42 U.S.C. 243,264,271
source: 42 FR 14308, Mar. 15, 1977, unless otherwise noted.
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