41 CFR § 304-3.8
Must I adhere to the provisions of the Fly America Act when I receive air transportation to a meeting furnished or paid by a non-Federal source?
June 9, 2020
No, if the payment or ticket was paid in full directly by the non-Federal source or reimbursed to your agency by the non-Federal source, the provisions of the Fly America Act do not apply. (See §§301-10.131 through 301-10.143 of this title for the regulations implementing the Fly America Act.)