CFR > Title 41 - Public Contracts and Property Management > SUBTITLE F—Federal Travel Regulation System > CHAPTER 301—TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES (parts 301-1 to 301-76) > SUBCHAPTER B—ALLOWABLE TRAVEL EXPENSES (parts 301-10 to 301-31) > PART 301-10—TRANSPORTATION EXPENSES > SUBPART B—Common Carrier Transportation (§301-10.100 to §301-10.190) > 301-10.140—May I use a foreign air carrier if the service is preferred by or more convenient for my agency or me?

301-10.140—May I use a foreign air carrier if the service is preferred by or more convenient for my agency or me?

No. You must use U.S. flag air carrier service, unless you meet one of the exceptions in § 301-10.135, § 301-10.136, or § 301-10.137 or unless foreign air carrier service is deemed a matter of necessity under § 301-10.138.