Regulations last checked for updates: Jan 10, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
All TitlesTitle 21Chapter IPart 15Subpart A - Subpart A—General Provisions
authority: 5 U.S.C. 553; 15 U.S.C. 1451-1461; 21 U.S.C. 141-149,321,467f,679,821,1034; 28 U.S.C. 2112; 42 U.S.C. 201,262,263b,264
source: 44 FR 22366, Apr. 13, 1979, unless otherwise noted.
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