CFR›Title 50›Chapter III›Part 300›Subpart A ContainsSections 300.1–300.5CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Sections 300.1 § 300.1 Purpose and scope. 300.2 § 300.2 Definitions. 300.3 § 300.3 Relation to other laws. 300.4 § 300.4 General prohibitions. 300.5 § 300.5 Facilitation of enforcement. Authority16 U.S.C. 2431 et seq., 31 U.S.C. 9701 et seq. Next C Subpart C—Eastern Pacific Tuna Fisheries