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Regulations last checked for updates: Dec 17, 2025
Title 21 - Food and Drugs last revised: Dec 11, 2025
All Titles
Title 21
Chapter I
Part 589
Subpart A - Subpart A—General Provisions
§ 589.1 - Substances prohibited from use in animal food or feed.
authority:
21 U.S.C. 321
,
342
,
343
,
348
,
371
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