CFR›Title 5›Chapter I›Part 550›Subpart P›Subject Group General Provisions ContainsSections § 550.1601–§ 550.1605CorpusDaily eCFRDisplayed edition2026-08-05Last updated2026-08-05 Sections § 550.1601 § 550.1601 Purpose and authority. § 550.1602 § 550.1602 Coverage. § 550.1603 § 550.1603 Definitions. § 550.1604 § 550.1604 Authority of U.S. Customs and Border Protection. § 550.1605 § 550.1605 Interpretation instruction.