CFR›Title 40›Chapter I›Part 422›Subpart C ContainsSection 422.30CorpusDaily eCFRDisplayed edition2026-05-14Last updated2026-05-14 Subpart C—Phosphate Subcategory Sections 422.30 § 422.30 Applicability; description of the phosphate subcategory. Previous B Subpart B—Phosphorus Consuming Subcategory Next D Subpart D—Defluorinated Phosphate Rock Subcategory