; and (B) provide to the Majority Leader of the Senate, the Minority Leader of the Senate, the Speaker of the House of Representatives, the Minority Leader of the House of Representatives, and the appropriate congressional committees, either in the next submission required by subsection (a)(1) or before such submission, a written statement explaining the reason for the delay in fulfilling the requirements of subsection (a), (b), or (c), as the case may be. . 712. Congressional oversight, quarterly review, and authority relating to concurrence provided by chiefs of mission for support of certain Government operations (a) Notification required Not later than 30 days after the date on which a chief of mission concurs with providing United States Government support to entities or individuals engaged in facilitating or supporting United States Government military- or security-related operations within the area of responsibility of the chief of mission, the Secretary shall notify the appropriate congressional committees of such concurrence. (b) Semiannual review, determination, and briefing required Not less frequently than semiannually, the Secretary, in order to ensure that the support described in subsection (a) continues to align with United States foreign policy objectives and the objectives of the Department, shall— (1) conduct a review of any concurrence described in subsection (a) that is in effect; (2) determine, based on such review, whether to revoke any such concurrence pending further study and review