CFR›Title 21›Chapter I›Part 290 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 290—CONTROLLED DRUGS Subparts A Subpart A—General Provisions Sections 290.1–290.10 B Subpart B [Reserved] C Subpart C—Requirements for Specific Controlled Drugs [Reserved] Authority21 U.S.C. 352, 353, 355, 371.Source40 FR 14040, Mar. 27, 1975, unless otherwise noted. Previous 251 Part 251—Section 804 Importation Program Next 299 Part 299—Drugs; Official Names and Established Names