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Regulations last checked for updates: Jan 30, 2025
Title 21 - Food and Drugs last revised: Jan 27, 2025
All Titles
Title 21
Chapter I
Part 156
Subpart A - Subpart A—General Provisions
§ 156.3 - Definitions.
authority:
21 U.S.C. 321
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341
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343
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348
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371
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