CFR›Title 27›Chapter I›Part 13›Subpart A ContainsSections 13.1–13.3CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—Scope and Construction of Regulations Sections 13.1 § 13.1 Scope of part. 13.2 § 13.2 Delegations of the Administrator. 13.3 § 13.3 Related regulations. Next B Subpart B—Definitions