To carry out the provisions of this chapter for fiscal years after September 30, 1984, there are authorized to be appropriated from the Sport Fish Restoration and Boating Trust Fund established by section 9504(a) of title 26 the amounts paid, transferred, or otherwise credited to that Trust Fund, except as provided in section 9504(c) of title 26. For purposes of the provision of the Act of August 31, 1951, which refers to this section, such amounts shall be treated as the amounts that are equal to the revenues described in this section. The appropriation made under the provisions of this section for each fiscal year shall continue available during succeeding fiscal years. So much of such appropriation apportioned to any State for any fiscal year as remains unexpended at the close thereof is authorized to be made available for expenditure in that State until the close of the succeeding fiscal year. Any amount apportioned to any State under the provisions of this chapter which is unexpended or unobligated at the end of the period during which it is available for expenditure on any project is authorized to be made available for expenditure by the Secretary of the Interior to supplement the 58.012 percent of the balance of each annual appropriation to be apportioned among the States, as provided for in section 777c(c) of this title.

For each fiscal year beginning with the fiscal year ending June 30, 1951, the Secretary of the Interior shall certify, at the time at which a deduction or apportionment is made, to the Secretary of the Treasury, and to each State fish and game department, the sum which he has estimated to be deducted for administering this chapter and the sum which he has apportioned to each State for such fiscal year.

The Secretary of the Interior is authorized to make rules and regulations for carrying out the provisions of this chapter.

The Secretary of the Interior is authorized to cooperate with the Secretary of Agriculture of Puerto Rico, the Mayor of the District of Columbia, the Governor of Guam, the Governor of American Samoa, the Governor of the Commonwealth of the Northern Mariana Islands, and the Governor of the Virgin Islands, in the conduct of fish restoration and management projects, as defined in section 777a of this title, upon such terms and conditions as he shall deem fair, just, and equitable, and is authorized to apportion to Puerto Rico, the District of Columbia, Guam, American Samoa, the Commonwealth of the Northern Mariana Islands, and the Virgin Islands, out of money available for apportionment under this chapter, such sums as he shall determine, not exceeding for Puerto Rico 1 per centum, for the District of Columbia one-third of 1 per centum, for Guam one-third of 1 per centum, for American Samoa one-third of 1 per centum, for the Commonwealth of the Northern Mariana Islands one-third of 1 per centum, and for the Virgin Islands one-third of 1 per centum of the total amount apportioned in any one year, but the Secretary shall in no event require any of said cooperating agencies to pay an amount which will exceed 25 per centum of the cost of any project. Any unexpended or unobligated balance of any apportionment made pursuant to this section shall be made available for expenditure in Puerto Rico, the District of Columbia, Guam, the Commonwealth of the Northern Mariana Islands, or the Virgin Islands, as the case may be, in the succeeding year, on any approved projects, and if unexpended or unobligated at the end of such year is authorized to be made available for expenditure by the Secretary of the Interior to supplement the 58.012 percent of the balance of each annual appropriation to be apportioned among the States under section 777c(c) of this title.

A State may use contributions of funds, real property, materials, and services to carry out an activity under this chapter in lieu of payment by the State of the State share of the cost of such activity. Such a State share shall be considered to be paid in an amount equal to the fair market value of any contribution so used.