{"data":{"id":"us/48-cfr-47.403-3","jurisdiction":"us","citation":"48 CFR 47.403-3","heading":"47.403-3 Disallowance of expenditures.","body":"(a) Agencies shall disallow expenditures for U.S. Government-financed commercial international air transportation on foreign-flag air carriers unless there is attached to the appropriate voucher a memorandum adequately explaining why service by U.S.-flag air carriers was not available, or why it was necessary to use foreign-flag air carriers.\n(b) When the travel is by indirect route or the traveler otherwise fails to use available U.S.-flag air carrier service, the amount to be disallowed against the traveler is based on the loss of revenues suffered by U.S.-flag air carriers as determined under the following formula, which is prescribed and more fully explained in 56 Comp. Gen. 209 (1977):\n(c) The justification requirement is satisfied by the contractor's use of a statement similar to the one contained in the clause at 52.247-63, Preference for U.S.-Flag Air Carriers. (See 47.405.)","path":["Title 48—Federal Acquisition Regulations System","CHAPTER 1—FEDERAL ACQUISITION REGULATION","SUBCHAPTER G—CONTRACT MANAGEMENT","PART 47—TRANSPORTATION","Subpart 47.4—Air Transportation by U.S.-Flag Carriers"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-48.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:29Z","sha256":"e3d575259273237f8a500c2591f1cceeee29821dbc07ecac5d8a5dcfd3ca236f","source_id":"us-cfr","stale":true,"prev":"us/48-cfr-47.403-2","next":"us/48-cfr-47.404"},"notice":"GroundRules: Original legal text. Not legal advice."}