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Regulations last checked for updates: Oct 30, 2025
Title 21 - Food and Drugs last revised: Sep 25, 2025
All Titles
Title 21
Chapter I
Part 320
Subpart A - Subpart A—General Provisions
§ 320.1 - Definitions.
authority:
21 U.S.C. 321
,
351
,
352
,
355
,
371
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