; and (B) cooperate fully, in consultation with the Archivist, in carrying out paragraph (3). (2) Requirement The Review Board shall promulgate rules for the disclosure of relevant records by Government offices under paragraph (1). (3) National Archives records Not later than 180 days after the date of enactment of this Act, the Archivist shall— (A) locate and identify all Missing Armed Forces Personnel records in the custody of the National Archives as of the date of enactment of this Act that remain classified, in whole or in part; (B) notify a Government office if the Archivist locates and identifies a record of the Government office under subparagraph (A); and (C) make each classified Missing Armed Forces Personnel record located and identified under subparagraph (A) available for review by Executive agencies through the National Declassification Center established under Executive Order 13526 or any successor order. (4) Records already public A Missing Armed Forces Personnel record that is in the custody of the National Archives on the date of enactment of this Act and that has been publicly available in its entirety without redaction shall be made available in the Collection without any additional review by the Archivist, the Review Board, or any other Government office under this Act. (c) Transmission to the national archives Each Government office shall— (1) not later than 180 days after the date of enactment of this Act, commence transmission to the Archivist of copies of the Missing Armed Forces Personnel records in the custody, possession, or control of the Government office