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Regulations last checked for updates: Dec 19, 2025
Title 21 - Food and Drugs last revised: Dec 17, 2025
All Titles
Title 21
Chapter I
Part 341
Subpart A - Subpart A—General Provisions
§ 341.1 - Scope.
§ 341.3 - Definitions.
authority:
21 U.S.C. 321
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351
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352
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353
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355
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360
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371
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