CFR›Title 21›Chapter I›Part 610›Subpart A ContainsSections 610.1–610.2CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—Release Requirements Sections 610.1 § 610.1 Tests prior to release required for each lot. 610.2 § 610.2 Requests for samples and protocols; official release. Next B Subpart B—General Provisions