The United Nations Security Council has primary responsibility for maintaining international peace and security. In discharging its powers it must act in accordance with the Purposes and Principles of the UN, and observe the rules governing voting and procedure established in the Organisation's Charter. The Council adopts mandatory resolutions that may establish obligations for members and non-members, and such obligations trump conflicting obligations originating from any other international agreement. Member States must cooperate with the Organisation and among themselves, in the...