CFR›Title 5›Chapter I›Part 550›Subpart P›Subject Group General Provisions ContainsSections 550.1601–550.1605CorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 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. Previous Assignment of Regular Tour of Duty and Overtime Supplement Assignment of Regular Tour of Duty and Overtime Supplement Next Relationship to Other Provisions Relationship to Other Provisions