and authority of the Federal Cochairperson shall be assumed by the Northern Border Regional Commission Program Director if the position of the Federal Cochairperson and Alternate Federal Cochairperson is vacant. Nuclear regulatory commission Salaries and expenses For expenses necessary for the Commission in carrying out the purposes of the Energy Reorganization Act of 1974 and the Atomic Energy Act of 1954, $898,350,000, including official representation expenses not to exceed $25,000, to remain available until expended: 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 $794,218,500 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 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 $104,131,500: 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. Office of inspector general For expenses necessary for the Office of Inspector General in carrying out the provisions of the Inspector