support the Office of Natural Resource Revenue’s collection and disbursement of royalties, fees, and other mineral revenue proceeds, as authorized by law. ADMINISTRATIVE PROVISION There is hereby authorized for acquisition from available resources within the Working Capital Fund, aircraft which may be obtained by donation, purchase, or through available excess surplus property: Provided, That existing aircraft being replaced may be sold, with proceeds derived or trade-in value used to offset the purchase price for the replacement aircraft. OFFICE OF NATURAL RESOURCES REVENUE For necessary expenses for management of the collection and disbursement of royalties, fees, and other mineral revenue proceeds, and for grants and cooperative agreements, as authorized by law, $167,937,000, to remain available until September 30, 2025