A/RES/57/57 that regime and enhance its effectiveness and that it is important to comply strictly with existing agreements, both bilateral and multilateral; 3. Emphasizes the necessity of further measures with appropriate and effective provisions for verification to prevent an arms race in outer space; 4. Calls upon all States, in particular those with major space capabilities, to contribute actively to the objective of the peaceful use of outer space and of the prevention of an arms race in outer space and to refrain from actions contrary to that objective and to the relevant existing treaties in the interest of maintaining international peace and security and promoting international cooperation; 5. Reiterates that the Conference on Disarmament, as the single multilateral disarmament negotiating forum, has the primary role in the negotiation of a multilateral agreement or agreements, as appropriate, on the prevention of an arms race in outer space in all its aspects; 6. Invites the Conference on Disarmament to complete the examination and updating of the mandate contained in its decision of 13 February 1992 4 and to establish an ad hoc committee as early as possible during its 2003 session; 7. Recognizes, in this respect, the growing convergence of views on the elaboration of measures designed to strengthen transparency, confidence and security in the peaceful uses of outer space; 8. Urges States conducting activities in outer space, as well as States interested in conducting such activities, to keep the Conference on Disarmament informed of the progress of bilateral and multilateral negotiations on the matter, if any, so as to facilitate its work; 9. Decides to include in the provisional agenda of its fifty-eighth session the item entitled “Prevention of an arms race in outer space”. 57th plenary meeting 22 November 2002 3