The Commission is authorized to procure the services of experts and consultants in accordance with section 3109 of title 5, United States Code, but at rates not to exceed the daily rate paid a person occupying a position at level IV of the Executive Schedule under section 5315 of title 5, United States Code. 8. Security clearances for Commission members and staff The appropriate Federal departments or agencies shall cooperate with the Commission in expeditiously providing to the Commission members and staff appropriate security clearances to the extent possible pursuant to existing procedures and requirements, except that no person shall be provided with access to classified information under this title without the appropriate security clearances. 9. Reports of Commission