Upon the request of the Commission, the Administrator of General Services shall provide to the Commission, on a reimbursable basis, the administrative support services necessary for the Commission to carry out its responsibilities under this Act. The administrative support services may include human resource management, budget, leasing accounting, and payroll services. 7. Termination of Commission The Commission shall terminate 30 days after the date on which the Commission submits the report under section 4. 8. Authorization of appropriations (a) In general There are authorized to be appropriated such sums as may be necessary to the Commission to carry out this Act. (b) Availability Any sums appropriated under the authorization contained in this section shall remain available, without fiscal year limitation, until expended.