(a) Maximum amount for Institute 
There are authorized to be appropriated such sums, not to exceed $5,000,000, as may be necessary to carry out the provisions of section 2566 of this title.

(b) Maximum amount for Center 
There are authorized to be appropriated such sums, not to exceed $2,500,000, as may be necessary to carry out the provisions of section 2567 of this title.

(c) Availability of funds 
Funds appropriated pursuant to sections 2566 to 2569 of this title shall remain available until expended.