Regulations last checked for updates: Jul 12, 2025

Title 21 - Food and Drugs last revised: Jun 26, 2025
All TitlesTitle 21Chapter IPart 163Subpart A - Subpart A—General Provisions
authority: 21 U.S.C. 321,331,341,343,348,371,379e
source: 58 FR 29529, May 21, 1993, unless otherwise noted.
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