CFR›Title 46›Chapter IV›Part 531›Subpart A ContainsSections 531.1–531.5CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart A—General Provisions Sections 531.1 § 531.1 Purpose. 531.2 § 531.2 Scope and applicability. 531.3 § 531.3 Definitions. 531.4 § 531.4 NVOCC rules tariff. 531.5 § 531.5 [Reserved] Next B Subpart B—Requirements