There is authorized to be appropriated to the Secretary for the purposes of this chapter the following sums; and all such funds appropriated shall remain available until expended:
((a)) For the implementation and funding of sections 1252, 1273, and 1300 of this title, there are authorized to be appropriated to the Secretary of the Interior the sum of $10,000,000 for the fiscal year ending , $25,000,000 for each of the two succeeding fiscal years, and in such fiscal years such additional amounts as may be necessary for increases in salary, pay, retirement, other employee benefits authorized by law, and other nondiscretionary costs.
((b)) For the implementation and funding of , see the provisions of .
((c)) For the implementation and funding of and for the administrative and other purposes of this chapter, except as otherwise provided for in this chapter, authorization is provided for the sum of $20,000,000 for the fiscal year ending , and $30,000,000 for each of the two succeeding fiscal years and such funds that are required thereafter.
((d)) In order that the implementation of the requirements of this chapter may be initiated in a timely and orderly manner, the Secretary is authorized, subject to the approval of the appropriation Committees of the House and of the Senate, to utilize not to exceed $2,000,000 of the appropriations otherwise available to him for the fiscal year ending , for the administration and other purposes of the chapter.