including per diem in lieu of subsistence, at rates for employees of agencies under subchapter I of chapter 57 of title 5, United States Code, while away from the member’s home or regular place of business in the performance of services for the Review Board. (h) Duties of the review board (1) The Review Board shall consider and render decisions on a determination by a Government office to seek to postpone the disclosure of Cold Case Records. (2) In carrying out paragraph (1), the Review Board shall consider and render decisions— (A) whether a record constitutes a Cold Case Record