Nothing in this Treaty shall be construed:
(a) as requiring any Member State to furnish information, the disclosure of which it considers contrary to its essential security interests;
(b) as preventing any Member State from taking any action which it considers necessary for the protection of its essential security interests:
(i) relating to the supply of services carried out directly or indirectly for the purpose of provisioning a military establishment;
(ii) in time of war or other emergency in international relations; or
(c) as preventing any Member State from taking any action in pursuance of its obligations for the maintenance of international peace and security.