14 C.F.R. § 13.121 Witness fees.
Title 14 - Aeronautics and Space
All witnesses appearing shall be compensated at the same rate as a witness appearing before a United States District Court.
Title 14: Aeronautics and Space
PART 13—INVESTIGATIVE AND ENFORCEMENT PROCEDURES
Subpart F—Formal Fact-Finding Investigation Under an Order of Investigation
§ 13.121 Witness fees.