1988—Pub. L. 100–653 inserted provision at end authorizing Secretary of the Interior to continue to provide facilities and necessary support services to National Fish and Wildlife Foundation after Mar. 26, 1989, on space available, reimbursable cost basis.

Pub. L. 100–240 designated existing provisions as subsec. (a), inserted heading, and struck out “, and may accept reimbursement therefor, to be deposited in the Treasury to the credit of the appropriations then current and chargeable for the cost of providing such services” after “March 26, 1984”, and added subsec. (b).