CFR›Title 9›Chapter III›Part 424 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 424—PREPARATION AND PROCESSING OPERATIONS Subparts A Subpart A—General Section 424.1 C Subpart C—Food Ingredients and Sources of Radiation Sections 424.21–424.23 Authority7 U.S.C. 1633, 1901-1906; 21 U.S.C. 451-472, 601-695; 7 CFR 2.18, 2.53.Source64 FR 72175, Dec. 23, 1999, unless otherwise noted. Previous 418 Part 418—Recalls Next 430 Part 430—Requirements for Specific Classes of Product