CFR›Title 21›Chapter I›Part 189›Subpart B ContainsSection 189.5CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart B—Prohibited Cattle Materials Sections 189.5 § 189.5 Prohibited cattle materials. Previous A Subpart A—General Provisions Next C Subpart C—Substances Generally Prohibited From Direct Addition or Use as Human Food