shall notify the Committees on Appropriations prior to exercising such authority. United states commission on international religious freedom Salaries and expenses For necessary expenses for the United States Commission on International Religious Freedom (USCIRF), as authorized by title II of the International Religious Freedom Act of 1998 ( 22 U.S.C. 6431 et seq.), $4,500,000, to remain available until September 30, 2019, including not more than $4,000 for representation expenses: Provided , That $1,000,000 of such funds may not be obligated or expended until the Commission fully implements the recommendations of the Independent Review of USCIRF Mission Effectiveness that was conducted pursuant to the United States Commission on International Religious Freedom Reauthorization Act of 2015 ( Public Law 114–71 ). Commission on security and cooperation in europe Salaries and expenses For necessary expenses of the Commission on Security and Cooperation in Europe, as authorized by Public Law 94–304 ( 22 U.S.C. 3001 et seq.), $2,579,000, including not more than $4,000 for representation expenses, to remain available until September 30, 2019. Congressional-Executive Commission on the People's Republic of China Salaries and expenses For necessary expenses of the Congressional-Executive Commission on the People's Republic of China, as authorized by title III of the U.S.-China Relations Act of 2000 ( 22 U.S.C. 6911 et seq.), $2,000,000, including not more than $3,000 for representation expenses, to remain available until September 30, 2019. United States-China Economic and Security Review Commission salaries and expenses For necessary expenses of the United States-China Economic and Security Review Commission, as authorized by section 1238 of the Floyd D. Spence National Defense Authorization Act for Fiscal Year 2001 ( 22 U.S.C. 7002 ), $3,500,000, including not more than $4,000 for representation expenses, to remain available until September 30, 2019: Provided , That the authorities, requirements, limitations, and