to paragraph (6). (ii) Procedures If a review does not take place pursuant to subparagraph (B) in response to a petition for revocation that is filed in accordance with that subparagraph, the review shall be conducted pursuant to procedures established by the Director. The results of such review and the applicable procedures shall not be reviewable in any court. (iii) Publication of results of review The Director shall publish any determination made under this subparagraph in the Federal Register. (5) Revocation by Act of Congress Congress, by an Act of Congress, may block or revoke a designation made under paragraph (1). (6) Revocation based on change in circumstances (A) In general The Director may revoke a designation made under paragraph (1) at any time, and shall revoke a designation upon completion of a review conducted pursuant to subparagraphs (B) and (C) of paragraph (4) if the Director finds that— (i) the circumstances that were the basis for the designation have changed in such a manner as to warrant revocation