CFR›Title 49›Subtitle B›Chapter X›Part 1152›Subpart A ContainsSections 1152.1–1152.2CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Sections 1152.1 § 1152.1 Purpose and scope. 1152.2 § 1152.2 Definitions. Next B Subpart B—System Diagram