CFR›Title 21›Chapter I›Part 174 ContainsSections 174.5–174.6CorpusDaily eCFRDisplayed edition2026-05-13Last updated2026-05-13 PART 174—INDIRECT FOOD ADDITIVES: GENERAL Sections 174.5 § 174.5 General provisions applicable to indirect food additives. 174.6 § 174.6 Threshold of regulation for substances used in food-contact articles. Authority21 U.S.C. 321, 342, 348, 371. Previous 173 Part 173—Secondary Direct Food Additives Permitted in Food for Human Consumption Next 175 Part 175—Indirect Food Additives: Adhesives and Components of Coatings