; or (ii) the national security or the law enforcement interests of the United States warrants a revocation. (B) Procedure The procedural requirements of paragraphs (2) and (3) shall apply to a revocation under this paragraph. Any revocation shall take effect on the date specified in the revocation or upon publication in the Federal Register if no effective date is specified. (7) Effect of revocation The revocation of a designation under paragraph (5) or (6) shall not affect any action or proceeding based on conduct committed prior to the effective date of such revocation. (8) Use of designation in trial or hearing If a designation under this subsection has become effective under paragraph (2) an alien in a removal proceeding shall not be permitted to raise any question concerning the validity of the issuance of such designation as a defense or an objection. (b) Amendments to a designation (1) In general The Secretary may amend a designation under this subsection if the Secretary finds that the group, club, organization, or association of 5 or more persons has changed its name, adopted a new alias, dissolved and then reconstituted itself under a different name or names, or merged with another group, club, organization, or association of 5 or more persons. (2) Procedure Amendments made to a designation in accordance with paragraph (1) shall be effective upon publication in the Federal Register. Paragraphs (2), (4), (5), (6), (7), and (8) of subsection (a) shall also apply to an amended designation. (3) Administrative record The administrative record shall be corrected to include the amendments as well as any additional relevant information that supports those amendments. (4) Classified information The Secretary may consider classified information in amending a designation in accordance with this subsection. Classified information shall not be subject to disclosure for such time as it remains classified, except that such information may be disclosed to a court ex parte and in camera for purposes of judicial review