CFR›Title 49›Subtitle B›Chapter XII›Part 1549 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 1549—CERTIFIED CARGO SCREENING PROGRAM Subparts A Subpart A—General Sections 1549.1–1549.7 B Subpart B—Operations Sections 1549.101–1549.111 Authority49 U.S.C. 114, 5103, 40113, 44901-44905, 44913-44914, 44916-44917, 44932, 44935-44936, 46105.Source74 FR 47706, Sept. 16, 2009, unless otherwise noted. Previous 1548 Part 1548—Indirect Air Carrier Security Next 1550 Part 1550—Aircraft Security Under General Operating and Flight Rules