43 U.S.C. § 103 : US Code - Section 103: Witnesses' fees

Search 43 U.S.C. § 103 : US Code - Section 103: Witnesses' fees

Witnesses shall have the right to receive their fee for one day's
attendance and mileage in advance. The fees and mileage of
witnesses shall be the same as that provided by law in the district
courts of the United States in the district in which such land
offices are situated; and the witness shall be entitled to receive
his fee for attendance in advance from day to day during the
hearing.