of the amount appropriated herein, not more than $10,350,720 may be made available for salaries, travel, and other support costs for the Office of the Commission, to remain available until September 30, 2025: Provided further, That revenues from licensing fees, inspection services, and other services and collections estimated at $794,341,580 in fiscal year 2024 shall be retained and used for necessary salaries and expenses in this account, notwithstanding 31 U.S.C. 3302 , and shall remain available until expended: Provided further, That the sum herein appropriated shall be reduced by the amount of revenues received during fiscal year 2024 so as to result in a final fiscal year 2024 appropriation estimated at not more than $133,976,000. OFFICE OF INSPECTOR GENERAL For expenses necessary for the Office of Inspector General in carrying out the provisions of the Inspector General Act of 1978, $15,769,000, to remain available until September 30, 2025: Provided, That revenues from licensing fees, inspection services, and other services and collections estimated at $12,655,000 in fiscal year 2024 shall be retained and be available until September 30, 2025, for necessary salaries and expenses in this account, notwithstanding section 3302 of title 31, United States Code: Provided further, That the sum herein appropriated shall be reduced by the amount of revenues received during fiscal year 2024 so as to result in a final fiscal year 2024 appropriation estimated at not more than $3,114,000: Provided further, That of the amounts appropriated under this heading, $1,520,000 shall be for Inspector General services for the Defense Nuclear Facilities Safety Board. Nuclear Waste Technical Review Board SALARIES AND EXPENSES For expenses necessary for the Nuclear Waste Technical Review Board, as authorized by Public Law 100–203 , section 5051, $4,064,000, to be derived from the Nuclear Waste Fund, to remain available until September 30, 2025. GENERAL PROVISIONS—INDEPENDENT AGENCIES 401. The Nuclear Regulatory Commission shall