; and (iii) pending a determination under subparagraph (B), if the Secretary has initiated the administrative review process not later than 30 days after the expiration of the removal period (including any extension of the removal period as provided in subsection (a)(1)(C)). (10) Renewal and delegation of certification (A) Renewal The Secretary of Homeland Security may renew a certification under subparagraph (B)(ii) every 6 months without limitation, after providing an opportunity for the alien to request reconsideration of the certification and to submit documents or other evidence in support of that request. If the Secretary does not renew a certification, the Secretary may not continue to detain the alien under subparagraph (B)(ii). (B) Delegation Notwithstanding section 103, the Secretary of Homeland Security may not delegate the authority to make or renew a certification described in item (II), (III), or (IV) of subparagraph (B)(ii) to an official below the level of the Director of U.S. Immigration and Customs Enforcement. (11) Release on conditions If it is determined that an alien should be released from detention, the Secretary of Homeland Security, in the exercise of discretion, may impose conditions on release as provided in paragraph (3). (12) Redetention The Secretary of Homeland Security, in the exercise of discretion, without any limitations other than those specified in this section, may again detain any alien subject to a final removal order who is released from custody if the alien fails to comply with the conditions of release or to continue to satisfy the conditions described in subparagraph (8)(A), or if, upon reconsideration, the Secretary determines that the alien can be detained under subparagraph (8)(B). Paragraphs (6) through (14) shall apply to any alien returned to custody pursuant to this subparagraph, as if the removal period terminated on the day of the redetention. (13) Certain aliens who effected entry If an alien has effected an entry but has neither been lawfully admitted nor