Pub. L. 116-6, div. D, tit. VI, sec. 632 (as amended)

Sec. 632. None of the funds made available by this Act may be used for first-class or business-class travel by the employees of executive branch agencies funded by this Act in contravention of sections 301-10.122 through 301-10.125 of title 41, Code of Federal Regulations.