25 U.S.C. § 4307
Authorization of appropriations
There are authorized to be appropriated such sums as are necessary to carry out this chapter, to remain available until expended.
( Pub. L. 106–464, § 10 , formerly § 8, Nov. 7, 2000 , 114 Stat. 2018 ; renumbered § 10, Pub. L. 116–261, § 3(d)(1) , Dec. 30, 2020 , 134 Stat. 3308 .)