; and (2) shall serve without pay. (b) Travel expenses While away from their homes or regular places of business in performance of services for the Commission, members of the Commission shall be allowed travel expenses, including per diem in lieu of subsistence, in accordance with section 5703 of title 5, United States Code. 8. Security clearances for Commission members and staff The appropriate Federal agencies or departments shall cooperate with the Commission to expeditiously provide, to the extent possible, appropriate security clearances to Commission members and staff in accordance with existing procedures and requirements, except that no person shall be provided with access to classified information under this Act without the appropriate security clearances. 9. Report (a) In general Not later than 18 months after the first meeting of the Commission, the Commission shall submit a report to the Committee on Foreign Relations of the Senate , the Committee on Foreign Affairs of the House of Representatives , the Committee on the Judiciary of the Senate , the Committee on the Judiciary of the House of Representatives , the Committee on Homeland Security and Governmental Affairs of the Senate , the Committee on Homeland Security of the House of Representatives , the Committee on Oversight and Government Reform of the House of Representatives , the Select Committee on Intelligence of the Senate , the Permanent Select Committee on Intelligence of the House of Representatives , the Committee on Armed Services of the Senate , and the Committee on Armed Services of the House of Representatives . The report shall include— (1) a detailed statement of the recommendations, findings, and conclusions of the Commission under section 2