Regulations last checked for updates: May 23, 2025

Title 21 - Food and Drugs last revised: May 19, 2025
All TitlesTitle 21Chapter IPart 340Subpart B - Subpart B—Active Ingredient
authority: 21 U.S.C. 321,351,352,353,355,360,371
source: 53 FR 6105, Feb. 29, 1988, unless otherwise noted.
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