Allowable project costs

Except as provided in section 47111 of this title , the United States Government may pay or be obligated to pay, from amounts appropriated to carry out this subchapter, a cost incurred in carrying out a project under this subchapter only if the Secretary of Transportation decides the cost is allowable.

( Pub. L. 103–272, § 1(e) , July 5, 1994 , 108 Stat. 1264 ; Pub. L. 103–305, title I, § 115 , Aug. 23, 1994 , 108 Stat. 1579 ; Pub. L. 103–429, § 6(64) , Oct. 31, 1994 , 108 Stat. 4385 ; Pub. L. 104–264, title I, § 144 , Oct. 9, 1996 , 110 Stat. 3222 ; Pub. L. 106–181, title I, § 127 , Apr. 5, 2000 , 114 Stat. 76 ; Pub. L. 107–71, title I, § 119(a)(2) , Nov. 19, 2001 , 115 Stat. 628 ; Pub. L. 108–176, title I , §§ 145, 149(b), 159(c), Dec. 12, 2003 , 117 Stat. 2504 , 2505, 2511; Pub. L. 109–115, div. A, title I, § 176(b) , Nov. 30, 2005 , 119 Stat. 2427 ; Pub. L. 112–95, title I , §§ 111(c)(2)(A)(ii), 138, Feb. 14, 2012 , 126 Stat. 18 , 25; Pub. L. 115–254, div. B, title I, § 184(b) , title V, § 539(n), Oct. 5, 2018 , 132 Stat. 3234 , 3371; Pub. L. 117–186, § 2 , Oct. 10, 2022 , 136 Stat. 2199 ; Pub. L. 118–63, title VII , §§ 709–710(b)(1), May 16, 2024 , 138 Stat. 1252 , 1253; Pub. L. 119–60, div. H, title LXXXVIII, § 8801(b) , Dec. 18, 2025 , 139 Stat. 1969 .)