Pub. L. 113-235, div. J, tit. VII, sec. 7001
allowances and differentials
allowances and differentialsSec. 7001. Funds appropriated under title I of this Act shall be available, except as otherwise provided, for allowances and differentials as authorized by subchapter 59 of title 5, United States Code; for services as authorized by 5 U.S.C. 3109; and for hire of passenger transportation pursuant to 31 U.S.C. 1343(b).