CFR›Title 27›Chapter I›Part 18›Subpart A ContainsSections 18.1–18.3CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—Scope Sections 18.1 § 18.1 Scope. 18.2 § 18.2 Applicability of law. 18.3 § 18.3 Unlawful operations. Next B Subpart B—Definitions