CFR›Title 21›Chapter I›Part 515 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 515—MEDICATED FEED MILL LICENSE Subparts A Subpart A—Applications Sections 515.10–515.11 B Subpart B—Administrative Actions on Licenses Sections 515.20–515.26 C Subpart C—Hearing Procedures Sections 515.30–515.31 D Subpart D—Judicial Review Section 515.40 Authority21 U.S.C. 360b, 371.Source64 FR 63204, Nov. 19, 1999, unless otherwise noted. Previous 514 Part 514—New Animal Drug Applications Next 516 Part 516—New Animal Drugs for Minor Use and Minor Species