In general.—

There are authorized to be appropriated to carry out this section such sums as are necessary for each of fiscal years 2010 through 2015.

As authorized by section 1752 of this title , appropriations to carry out the provisions of this section may be made not more than 1 year in advance of the beginning of the fiscal year in which the funds will become available for disbursement to the States, and shall remain available for the purposes for which appropriated until expended.