; and (E) coordinate with Federal and non-Federal entities to preserve and archive, as appropriate, any gifts, documents, or other property received while carrying out the purposes of this Act. (2) Contracting; volunteer services (A) Contracting The Commission may, to such extent and in such amounts as are provided in appropriations Acts, and in accordance with applicable law, enter into contracts and other agreements with public agencies, private organizations, and individuals to enable the Commission to carry out the duties of the Commission under this Act. (B) Volunteer and uncompensated services Notwithstanding section of title 31, United States Code, the Commission may accept and use such voluntary and uncompensated services as the Commission determines to be necessary. (C) General services administration The Administrator of General Services shall provide, on request of the Commission, on a reimbursable basis, administrative support and other services for the performance of the functions of the Commission under this Act. (3) Postal services The Commission may use the United States mails in the same manner and under the same conditions as other agencies of the Federal Government. (4) Gifts, fundraising, and disbursement (A) Gifts and donations (i) In general The Commission may accept, use, and dispose of any gift, donation, service, property, or other record or recording to accomplish the purposes of this Act. (ii) Return of gifts and donations On termination of the Commission under subsection (b)(5), any gifts, unspent donations, property, or other record or recording accepted by the Commission under clause (i) shall be— (I) returned to the applicable donor that made the donation under that clause