There are authorized to be appropriated such sums as are necessary to carry out this chapter.

(Pub. L. 106–393, title IV, §402, as added Pub. L. 110–343, div. C, title VI, §601(a), Oct. 3, 2008, 122 Stat. 3910; amended Pub. L. 112–141, div. F, title I, §100101(a)(2), July 6, 2012, 126 Stat. 905; Pub. L. 113–40, §10(a)(4), Oct. 2, 2013, 127 Stat. 545; Pub. L. 114–10, title V, §524(e), Apr. 16, 2015, 129 Stat. 180.)