; (2) support all Operating Administrations of the Department of Transportation; and (3) have a workforce composed of Department of Transportation employees, including direct hires or detailees from Operating Administrations. (c) Employees of the Highly Automated Systems Safety Center of Excellence shall audit, inspect, and certify highly automated systems to ensure their safety. (d) No later than 90 days after the date of enactment of this Act, the Secretary shall report to the Committees on Appropriations of the House of Representatives and the Senate on staffing needs and the staffing plan for the Highly Automated Systems Safety Center of Excellence. Federal aviation administration Operations (airport and airway trust fund) For necessary expenses of the Federal Aviation Administration, not otherwise provided for, including operations and research activities related to commercial space transportation, administrative expenses for research and development, establishment of air navigation facilities, the operation (including leasing) and maintenance of aircraft, subsidizing the cost of aeronautical charts and maps sold to the public, the lease or purchase of passenger motor vehicles for replacement only, $10,677,758,000, to remain available until September 30, 2021, of which $9,833,400,000 shall be derived from the Airport and Airway Trust Fund: Provided, That of the sums appropriated under this heading — (1) not less than $1,603,969,000 shall be available for aviation safety activities; (2) not to exceed $7,841,720,000 shall be available for air traffic organization activities; (3) not to exceed $24,949,000 shall be available for commercial space transportation activities; (4) not to exceed $816,398,000 shall be available for finance and management activities; (5) not to exceed $61,258,000 shall be available for NextGen and operations planning activities; (6) not to exceed $114,165,000 shall be available for security and hazardous materials safety