CFR›Title 33›Chapter I›Part 52›Subpart A ContainsSections 52.1–52.2CorpusDaily eCFRDisplayed edition2026-05-20Last updated2026-05-20 Subpart A—Purpose and Authority Sections 52.1 § 52.1 Purpose. 52.2 § 52.2 Authority. Next B Subpart B—Establishment, Function, and Jurisdiction of Board