CFR›Title 21›Chapter I›Part 209›Subpart A ContainsSections 209.1–209.2CorpusDaily eCFRDisplayed edition2026-05-22Last updated2026-05-22 Subpart A—General Provisions Sections 209.1 § 209.1 Scope and purpose. 209.2 § 209.2 Definitions. Next B Subpart B—Requirements