StacksVerified U.S. regulatory reference

21 CFR §530.1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This part applies to the extralabel use in an animal of any approved new animal drug or approved new human drug by or on the lawful order of a licensed veterinarian within the context of a valid veterinary-client-patient relationship.