; and (B) whether a Cold Case Record or particular information in a record qualifies for postponement of disclosure under this Act. (i) Powers The Review Board shall have the authority to act in a manner prescribed under this Act including the authority to— (1) obtain access to Cold Case records that have been identified and organized by a Government office; (2) direct a Government office to make available to the Review Board, and if necessary investigate the facts surrounding, additional information, records, or testimony from individuals, which the Review Board has reason to believe is required to fulfill its functions and responsibilities under this Act; (3) subpoena private persons to compel testimony, records, and other information relevant to its responsibilities under this Act; (4) require any Government office to account in writing for the destruction of any records relating to Civil Rights Cold Cases; (5) receive information from the public regarding the identification and public disclosure of Cold Case records; and (6) hold hearings, administer oaths, and subpoena witnesses and documents. Any subpoena issued under this paragraph may be enforced by any appropriate Federal court acting pursuant to a lawful request of the Review Board. (j) Witness immunity The Review Board shall be considered to be an agency of the United States for purposes of chapter 601 of title 18, United States Code. (k) Oversight The Committee on Oversight and Government Reform of the House of Representatives and the Committee on Homeland Security and Governmental Affairs of the Senate shall be responsible for the disposition of postponed records after termination of the Review Board