21 C.F.R. § 530.4 Advertising and promotion.
Title 21 - Food and Drugs
Nothing in this part shall be construed as permitting the advertising or promotion of extralabel uses in animals of approved new animal drugs or approved human drugs.
Title 21: Food and Drugs
PART 530—EXTRALABEL DRUG USE IN ANIMALS
Subpart A—General Provisions
§ 530.4 Advertising and promotion.