{"data":{"id":"us/41-cfr-301-10.133","jurisdiction":"us","citation":"41 CFR 301-10.133","heading":"-10.133 U.S. flag air carrier service.","body":"U.S. flag air carrier service is service provided on an air carrier holding a certificate under 49 U.S.C. 41102 (excluding a foreign air carrier operating under a permit), and which service is authorized by the carrier's certificate or by exemption or regulation. This also includes service provided under a code share agreement with a foreign air carrier in accordance with title 14, Code of Federal Regulations, when the ticket identifies the U.S. flag air carrier's designator code and flight number.","path":["Title 41—Public Contracts and Property Management","Subtitle F—Federal Travel Regulation System","CHAPTER 301—TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES","SUBCHAPTER B—ALLOWABLE TRAVEL EXPENSES","PART 301-10—TRANSPORTATION EXPENSES","Subpart B—Common Carrier Transportation Airline"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-41.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:05Z","sha256":"1a9b075f8696da608c4df4baf72fa6f32b8b5116fa0f83630ff9fb61508b61e8","source_id":"us-cfr","stale":true,"prev":"us/41-cfr-301-10.132","next":"us/41-cfr-301-10.134"},"notice":"GroundRules: Original legal text. Not legal advice."}