CFR›Title 21›Chapter I›Part 209›Subpart A ContainsSections 209.1–209.2CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Provisions Sections 209.1 § 209.1 Scope and purpose. 209.2 § 209.2 Definitions. Next B Subpart B—Requirements