same year that they are incurred: Provided further , That for fiscal year 2018, the Administrator of the Western Area Power Administration may accept up to $872,000 in funds contributed by United States power customers of the Falcon and Amistad Dams for deposit into the Falcon and Amistad Operating and Maintenance Fund, and such funds shall be available for the purpose for which contributed in like manner as if said sums had been specifically appropriated for such purpose: Provided further , That any such funds shall be available without further appropriation and without fiscal year limitation for use by the Commissioner of the United States Section of the International Boundary and Water Commission for the sole purpose of operating, maintaining, repairing, rehabilitating, replacing, or upgrading the hydroelectric facilities at these Dams in accordance with agreements reached between the Administrator, Commissioner, and the power customers. Federal energy regulatory commission Salaries and expenses For expenses necessary for the Federal Energy Regulatory Commission to carry out the provisions of the Department of Energy Organization Act ( 42 U.S.C. 7101 et seq.), including services as authorized by 5 U.S.C. 3109 , official reception and representation expenses not to exceed $3,000, and the hire of passenger motor vehicles, $367,600,000, to remain available until expended: Provided , That notwithstanding any other provision of law, not to exceed $367,600,000 of revenues from fees and annual charges, and other services and collections in fiscal year 2018 shall be retained and used for expenses necessary in this account, and shall remain available until expended: Provided further , That the sum herein appropriated from the general fund shall be reduced as revenues are received during fiscal year 2018 so as to result in a final fiscal year 2018 appropriation from the general fund estimated at not more than $0. General provisions—department of energy (including transfer of funds) 301. (a) No appropriation, funds, or