CFR›Title 21›Chapter I›Part 332›Subpart C ContainsSections 332.30–332.31CorpusDaily eCFRDisplayed edition2026-05-13Last updated2026-05-13 Subpart C—Labeling Sections 332.30 § 332.30 Labeling of antiflatulent drug products. 332.31 § 332.31 Professional labeling. Previous B Subpart B—Active Ingredients