Collective Security Council, in accordance with Article 13 of the Charter, the CSTO is the highest organ of the Organization. The Council considers the principal issues of the Organization's activities and makes decisions aimed at the realization of its goals and objectives, and ensures coordination and joint activities of the Member States for the realization of these goals. The Council consists of the heads of the Member States. Foreign ministers, defense ministers, secretaries of the Security Councils of Member States, the Secretary General of the Organization, Plenipotentiary Representatives of the Member States to the Organization and invited persons may participate in the meetings of the Council. The Council has the right to establish on a permanent or temporary basis the working and subsidiary bodies of the Organization. The Chairman of the Council (hereinafter referred to as the Chairman) is the head of the state in whose territory the regular session of the Council takes place, unless the Council decides otherwise. His rights and duties are reserved for him until the next regular session of the Council.

The CSTO Secretariat is a permanent working body of the Organization for carrying out organizational, information, analytical and consultative support of the activities of the bodies of the Organization.