; $50,413,000, to remain available until expended. Land acquisition For expenses necessary to carry out chapter 2003 of title 54, United States Code, including administrative expenses, and for acquisition of land or waters, or interest therein, in accordance with statutory authority applicable to the United States Fish and Wildlife Service, $45,189,000, to be derived from the Land and Water Conservation Fund and to remain available until expended: Provided , That none of the funds appropriated for specific land acquisition projects may be used to pay for any administrative overhead, planning or other management costs. Cooperative endangered species conservation fund For expenses necessary to carry out section 6 of the Endangered Species Act of 1973 (16 U.S.C. 1535), $49,495,000, to remain available until expended, of which $18,695,000 is to be derived from the Cooperative Endangered Species Conservation Fund