CFR›Title 21›Chapter I›Part 3 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 3—PRODUCT JURISDICTION Subparts A Subpart A—Assignment of Agency Component for Review of Premarket Applications Sections 3.1–3.10 B Subpart B [Reserved] Authority21 U.S.C. 321, 351, 353, 355, 360, 360c-360f, 360h-360j, 360gg-360ss, 360bbb-2, 371(a), 379e, 381, 394; 42 U.S.C. 216, 262, 264.Source56 FR 58756, Nov. 21, 1991, unless otherwise noted. Previous 2 Part 2—General Administrative Rulings and Decisions Next 4 Part 4—Regulation of Combination Products