CFR›Title 21›Chapter I›Part 250 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 250—SPECIAL REQUIREMENTS FOR SPECIFIC HUMAN DRUGS Subparts A Subpart A—Drugs Regarded as Misbranded Sections 250.11–250.12 B Subpart B—New Drug or Prescription Status of Specific Drugs Sections 250.100–250.108 C Subpart C—Requirements for Drugs and Foods Section 250.201 D Subpart D—Requirements for Drugs and Cosmetics Section 250.250 Authority21 U.S.C. 321, 336, 342, 352, 353, 355, 361(a), 362(a) and (c), 371, 375(b).Source40 FR 14033, Mar. 27, 1975, unless otherwise noted. Previous 230 Part 230—Certification and Postmarketing Reporting for Designated Medical Gases Next 251 Part 251—Section 804 Importation Program