48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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3 sections with “U.S. Government-financed international air travel”

  • FAR 47.402 Policy.
    …, consultants, contractors, grantees, and others must use U.S.-flag air carriers for U.S. Government-financed international air travel and transportation of their personal effects or property, if available (49 U.S.C. 40118, Government-finan…
  • FAR 47.403-1 Availability and unavailability of U.S.-flag air carrier service.
    …s provided in paragraph 47.403-1(a), U.S.-flag air carrier service shall be used for U.S. Government-financed commercial foreign air travel if service provided by U.S.-flag air carriers is available. In determining availability of a U.S.-fl…
  • FAR 47.403-3 Disallowance of expenditures.
    (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 servic…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.