on Appropriations of both Houses of Congress: Provided further , That any such notification shall identify the sources of funds by program, project, or activity: Provided further , That the Secretary shall notify the Committees on Appropriations of both Houses of Congress before adding or removing any activities from the fund. IV Independent agencies Appalachian regional commission For expenses necessary to carry out the programs authorized by the Appalachian Regional Development Act of 1965, and for expenses necessary for the Federal Co-Chairman and the Alternate on the Appalachian Regional Commission, for payment of the Federal share of the administrative expenses of the Commission, including services as authorized by 5 U.S.C. 3109 , and hire of passenger motor vehicles, $175,000,000, to remain available until expended. Defense nuclear facilities safety board Salaries and expenses For expenses necessary for the Defense Nuclear Facilities Safety Board in carrying out activities authorized by the Atomic Energy Act of 1954, as amended by Public Law 100–456 , section 1441, $31,000,000, to remain available until September 30, 2021: Provided , That none of the funds made available by this or any prior Act for the salaries and expenses of the Defense Nuclear Facilities Safety Board shall be available to implement any reform and reorganization plan of the Defense Nuclear Facilities Safety Board, including the plan announced on August 15, 2018, unless any such reform and reorganization plan is specifically authorized by law. Delta regional authority Salaries and expenses For expenses necessary for the Delta Regional Authority and to carry out its activities, as authorized by the Delta Regional Authority Act of 2000, notwithstanding sections 382F(d), 382M, and 382N of said Act, $30,000,000, to remain available until expended. Denali commission For expenses necessary for the Denali Commission including the purchase, construction, and acquisition of plant and capital equipment as necessary and other expenses, $15,000,000,