take by this Act. (c) Obtaining official data The Commission may secure directly from any department or agency of the United States information necessary to enable the Commission to carry out this Act. Upon request of the Chair of the Commission, the head of that department or agency shall furnish that information to the Commission. (d) Mails The Commission may use the United States mails in the same manner and under the same conditions as other departments and agencies of the United States. (e) Administrative support services 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. (f) Donations The Commission may accept donations of supplies, money, and services to carry out its responsibilities. 7. Reports (a) Interim reports The Commission may submit to Congress such interim reports as the Commission considers to be appropriate. (b) Final report The Commission shall submit a final report to Congress not later than 2 years after the date of the enactment of this Act. The final report shall contain final versions of the plans the Commission is required to develop under section 3, together with such other information and recommendations as the Commission considers appropriate with respect to such plans. 8. Termination The Commission shall terminate 120 days after submitting the final report of the Commission under section 7. 9. Authorization of appropriations There are authorized to be appropriated such sums as may be necessary to carry out this Act.