; (7) shall perform such other functions as Congress may direct, or as may be appropriate in furtherance of the functions and duties specifically set forth in this title; and (8) shall adopt a seal to be used to authenticate all certified documents issued by the Copyright Office. (f) Role as congressional advisor No officer or agency of the United States shall have any authority to require the Director or any other officer or employee of the Copyright Office to submit legislative recommendations, or testimony or comments on legislation, to any officer or agency of the United States for approval, comments, or review before the submission of such recommendations, testimony, or comments to Congress. (g) Additional operational authorities The Office— (1) may acquire, construct, purchase, lease, hold, manage, operate, improve, alter, and renovate any real, personal, or mixed property, or any interest therein, as it considers necessary to carry out its functions; (2) may make such purchases, contracts for the construction, maintenance, or management and operation of facilities, and contracts for supplies or services, including information technology, as it considers necessary to carry out the functions of the Office, without regard to the provisions of subtitle I and chapter 33 of title 40, division C (except sections 3302, 3501(b), 3509, 3906, 4710, and 4711) of subtitle I of title 41, and the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11301 et seq.); (3) may enter into and perform such purchases and contracts for printing services, including the processes of composition, platemaking, presswork, silk screen processes, binding, and microform, and the products of such processes, as it considers necessary to carry out the functions of the Office, without regard to sections 501 through 517 and 1101 through 1123 of title 44; (4) may use, with their consent, services, equipment, personnel, and facilities of other departments, agencies, and instrumentalities of the Federal Government, on a reimbursable basis