CFR›Title 21›Chapter I›Part 230›Subpart A ContainsSections 230.1–230.3CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Provisions Sections 230.1 § 230.1 Scope of this part. 230.2 § 230.2 Purpose. 230.3 § 230.3 Definitions. Next B Subpart B—Certification of Designated Medical Gases