; (2) not later than 180 days after the date of the enactment of this Act, begin its review of unidentified anomalous phenomena records under this division; and (3) periodically thereafter as warranted, but not less frequently than semiannually, publish a revised schedule in the Federal Register addressing the review and inclusion of any unidentified anomalous phenomena records subsequently discovered. (c) Determinations of the Review Board (1) In general The Review Board shall direct that all unidentified anomalous phenomena records be transmitted to the Archivist and disclosed to the public in the Collection in the absence of clear and convincing evidence that— (A) a Government record is not an unidentified anomalous phenomena record; or (B) a Government record, or particular information within an unidentified anomalous phenomena record, qualifies for postponement of public disclosure under this division. (2) Requirements In approving postponement of public disclosure of a unidentified anomalous phenomena record, the Review Board shall seek to— (A) provide for the disclosure of segregable parts, substitutes, or summaries of such a record