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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
All Titles
Title 21
Chapter I
Part 511 - PART 511—NEW ANIMAL DRUGS FOR INVESTIGATIONAL USE
§ 511.1 - New animal drugs for investigational use exempt from section 512(a) of the Federal Food, Drug, and Cosmetic Act.
§ 511.3 - Definitions.
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