business in the performance of services for the Commission, members of the Commission shall be allowed travel expenses, including per diem in lieu of subsistence, in the same manner as persons employed intermittently in the Government service are allowed expenses under section 5703(b) of title 5, United States Code. 8. Security clearances for Commission members and staff The appropriate executive departments and agencies shall cooperate with the Commission in expeditiously providing to the Commission members and staff appropriate security clearances in a manner consistent with existing procedures and requirements, except that no person shall be provided with access to classified information under this section who would not otherwise qualify for such security clearance. 9. Reports of the Commission