A/RES/57/59 14. Calls upon nuclear-weapon States to undertake the necessary steps towards the seamless integration of all five nuclear-weapon States into a process leading to the total elimination of nuclear weapons; 15. Agrees that the Conference on Disarmament should establish without delay an ad hoc committee to deal with nuclear disarmament; 16. Agrees also that the Conference on Disarmament should resume negotiations on a non-discriminatory, multilateral and internationally and effectively verifiable treaty banning the production of fissile material for nuclear weapons or other nuclear explosive devices, taking into consideration both nuclear disarmament and nuclear non-proliferation objectives; 17. Agrees further that the Conference on Disarmament should complete the examination and updating of the mandate on the prevention of an arms race in outer space in all its aspects, as contained in its decision of 13 February 1992, 10 and re-establish an ad hoc committee as early as possible; 18. Calls upon those three States that are not yet parties to the Treaty on the Non-Proliferation of Nuclear Weapons and operate unsafeguarded nuclear facilities to accede to the Treaty as non-nuclear-weapon States, promptly and without condition, and to bring into force the required comprehensive safeguards agreements, together with additional protocols, consistent with the Model Protocol Additional to the Agreement(s) between State(s) and the International Atomic Energy Agency for the Application of Safeguards approved by the Board of Governors of the International Atomic Energy Agency on 15 May 1997, 11 for ensuring nuclear non-proliferation, and to reverse clearly and urgently any policies to pursue any nuclear weapons development or deployment and refrain from any action that could undermine regional and international peace and security and the efforts of the international community towards nuclear disarmament and the prevention of nuclear weapons proliferation; 19. Calls upon those States that have not yet done so to conclude full-scope safeguards agreements with the International Atomic Energy Agency and to conclude additional protocols to their safeguards agreements on the basis of the Model Protocol; 20. Reaffirms the conviction that the establishment of internationally recognized nuclear-weapon-free zones on the basis of arrangements freely arrived at among the States of the region concerned enhances global and regional peace and security, strengthens the nuclear non-proliferation regime and contributes towards realizing the objective of nuclear disarmament, and supports proposals for the establishment of nuclear-weapon-free zones where they do not yet exist, such as in the Middle East and South Asia; 21. Calls for the completion and implementation of the Trilateral Initiative between the International Atomic Energy Agency, the Russian Federation and the United States of America and for consideration to be given to the possible inclusion of other nuclear-weapon States; 22. Calls upon all nuclear-weapon States to make arrangements for the placing, as soon as practicable, of their fissile material no longer required for _______________ 10 11 CD/1125. International Atomic Energy Agency, INFCIRC/540 (Corrected). 5