These regulations apply to all recipients of financial assistance for the construction or operation of facilities and equipment for use in providing mass transportation under: (a) The Federal Mass Transit Act of 1964, as amended ( 49 U.S.C. 1601 et seq.); (b) 23 U.S.C. 142 (a) and (c) ; and 23 U.S.C. 103 (e)(4) .
49 C.F.R. §605.2