7. ISPDC may establish such sub-structures as it deems necessary to perform its functions. Article 7 Inter-state defence and security committee 1. ISDSC shall comprise the ministers responsible for defence, ministers responsible for public security and ministers responsible for state security from each of the State Parties. 2. ISDSC shall perform such functions as may be necessary to achieve the objectives of the Organ relating to defence and security, and shall assume the objectives and functions of the existing Inter-State Defence and Security Committee. 3. ISDSC shall report to the Ministerial Committee without prejudice to its obligation to report regularly to the Chairperson. 4. ISDSC shall be chaired by a Minister from the same country as the Chairperson for a period of one year and on a rotating basis. 5. The Chairperson of ISDSC shall convene at least one meeting on an annual basis. 6. The Chairperson of ISDSC may convene such other meetings as he or she deems necessary or as requested by another minister serving on ISDSC. 7. ISDSC shall retain the Defence, State Security and Public Security Sub-Committees and other subordinate structures of the existing Inter-State Defence and Security Committee. 8. ISDSC may establish such other structures as it deems necessary to perform its functions. 59