Scope.
21 C.F.R. § 516.1
in effectEffective: 2024-07-01(a) This part implements section 573 of the Federal Food, Drug, and Cosmetic Act (the act) (21 U.S.C. 360ccc-2) and contains the following subparts:
(1) Subpart A—General Provisions.
(2) Subpart B—Designation of a Minor Use or Minor Species New Animal Drug.
(3) Subpart C [Reserved]
(4) Subpart D [Reserved]
(b) References in this part to regulatory sections of the Code of Federal Regulations are to Chapter I of Title 21, unless otherwise noted.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026