Board determines to be necessary to carry out its duties. (6) Use of mails The Board may use the United States mails in the same manner and under the same conditions as Federal agencies and shall, for purposes of the frank, be considered a commission of Congress as described in section 3215 of title 39, United States Code. (7) Support services Upon request of the Board, the Administrator of General Services shall provide to the Board on a reimbursable basis such administrative support services as the Board may request. (8) Printing costs For purposes of costs relating to printing and binding, including the cost of personnel detailed from the Government Publishing Office, the Board shall be deemed to be a committee of the Congress. (h) Reports (1) 2020 census The Board shall transmit to the Congress— (A) interim reports, with the first such report due by April 1, 2024