A/RES/55/283 Article II Cooperation 1. The United Nations and OPCW, recognizing the need to work jointly to achieve mutual objectives, and with a view to facilitating the effective exercise of their responsibilities, agree to cooperate closely within their respective mandates and to consult on matters of mutual interest and concern. To that end, the United Nations and OPCW shall cooperate with each other in accordance with the provisions of their respective constituent instruments. 2. Cooperation between the United Nations and OPCW, in particular, shall require that: (a) Cases of particular gravity and urgency which, in accordance with paragraph 36 of article VIII of the Convention, shall, including relevant information and conclusions, be brought directly to the attention of the General Assembly and the Security Council by the Executive Council, through the Secretary-General, in accordance with the existing United Nations procedures; (b) Cases of particular gravity which, in accordance with paragraph 4 of article XII of the Convention, shall, including relevant information and conclusions, be brought to the attention of the General Assembly and the Security Council by the Conference of the States Parties, through the Secretary-General, in accordance with the existing United Nations procedures; (c) OPCW shall, in accordance with paragraph 27 of Part XI of the Verification Annex, closely cooperate with the Secretary-General in cases of the alleged use of chemical weapons involving a State not party to the Convention or in a territory not controlled by a State Party to the Convention and, if so requested, shall in such cases place its resources at the disposal of the Secretary-General; (d) OPCW and the United Nations shall, in accordance with their respective mandates, explore possibilities for cooperation in the provision of assistance to States concerned in cases of the use or serious threat of use of chemical weapons, as provided for in paragraph 10 of article X of the Convention; (e) OPCW and the United Nations shall, insofar as covered by their respective mandates, in the context of economic and technological development in their member States, cooperate to foster international cooperation for peaceful purposes in the field of chemical activities and facilitating the exchange of chemicals, equipment and scientific and technical information relating to the development and application of chemistry for purposes not prohibited under the Convention; and (f) The United Nations and OPCW shall cooperate on any matter that may relate to the object and purpose of the Convention, or which may arise in connection with its implementation. 3. OPCW, within its competence and in accordance with the provisions of the Convention, shall cooperate with the General Assembly and the Security Council by furnishing them, at the request of either, such information and assistance as may be required in the exercise of their respective responsibilities under the Charter of the United Nations. 4. The United Nations and OPCW shall cooperate in the field of public information and shall arrange, upon request, for the exchange of information, 3