Regulations last checked for updates: Oct 26, 2026

Title 21 - Food and Drugs last revised: Oct 21, 2026
All TitlesTitle 21Chapter IPart 1Subpart A - Subpart A—General Provisions
authority: 15 U.S.C. 1333,1453,1454,1455,4402; 19 U.S.C. 1490,1491; 21 U.S.C. 321,331,332,333,334,335a,342,343,350c,350d,350j,352,355,360b,360ccc,360ccc-1,360ccc-2,362,371,374,381,382,384a,387,387a,387c,393,and; 42 U.S.C. 216,241,243,262,264,271
source: 42 FR 15553, Mar. 22, 1977, unless otherwise noted.
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