Energy Act of 1954, $953,050,000, including official representation expenses not to exceed $25,000, to remain available until expended, of which $47,700,000 shall be derived from the Nuclear Waste Fund: Provided , That of the amount appropriated herein, not more than $9,500,000 may be made available for salaries, travel, and other support costs for the Office of the Commission, to remain available until September 30, 2020, of which, notwithstanding section 201(a)(2)(c) of the Energy Reorganization Act of 1974 ( 42 U.S.C. 5841(a)(2)(c) ), the use and expenditure shall only be approved by a majority vote of the Commission: Provided further , That revenues from licensing fees, inspection services, and other services and collections estimated at $763,640,000 in fiscal year 2019 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 of the amounts appropriated under this heading, not less than $9,896,000 shall be for activities related to the development of regulatory infrastructure for advanced nuclear technologies, and $16,080,000 shall be for international activities, except that the amounts provided under this proviso shall not be derived from fee revenues, notwithstanding 42 U.S.C. 2214: Provided further , That the sum herein appropriated shall be reduced by the amount of revenues received during fiscal year 2019 so as to result in a final fiscal year 2019 appropriation estimated at not more than $189,410,000: Provided further , That of the amounts appropriated under this heading, $10,000,000 shall be for university research and development in areas relevant to the Commission's mission, and $5,000,000 shall be for a Nuclear Science and Engineering Grant Program that will support multiyear projects that do not align with programmatic missions but are critical to maintaining the discipline of nuclear science and engineering, except that the amounts provided under this proviso shall not be