Each appraiser selected under Sec. 72.22(a)(2) shall receive compensation at a reasonable fee not to exceed $15.00 per hour or portion thereof for the performance of his or her duties in appraising property seized as subject to forfeiture under Title 26 U.S.C. (Act of Aug. 16, 1954, Ch. 736, 68A Stat. 870, as amended; 26 U.S.C. 7325) [T.D. ATF-8, 46 FR 18536, Mar. 25, 1981]