A/RES/53/77 Page 42 negotiations without delay, and, pending the entry into force of the treaty, urges States to observe a moratorium on the production of fissile materials for nuclear weapons or other nuclear explosive devices; 13. Also calls upon the Conference on Disarmament to establish an appropriate subsidiary body to deal with nuclear disarmament and, to that end, to pursue as a matter of priority its intensive consultations on appropriate methods and approaches with a view to reaching such a decision without delay; 14. Considers that an international conference on nuclear disarmament and nuclear non-proliferation, which would effectively complement efforts being undertaken in other settings, could facilitate the consolidation of a new agenda for a nuclear-weapon-free world; 15. Recalls the importance of the decisions and resolution adopted at the 1995 Review and Extension Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons,63 and underlines the importance of implementing fully the decision on strengthening the review process for the Treaty; 16. Affirms that the development of verification arrangements will be necessary for the maintenance of a world free from nuclear weapons, and requests the International Atomic Energy Agency, together with any other relevant international organizations and bodies, to explore the elements of such a system; 17. Calls for the conclusion of an internationally legally binding instrument to effectively assure nonnuclear-weapon States parties to the Treaty on the Non-Proliferation of Nuclear Weapons against the use or threat of use of nuclear weapons; 18. Stresses that the pursuit, extension and establishment of nuclear-weapon-free zones, on the basis of arrangements freely arrived at, especially in regions of tension, such as the Middle East and South Asia, represent a significant contribution to the goal of a nuclear-weapon-free world; 19. Affirms that a nuclear-weapon-free world will ultimately require the underpinnings of a universal and multilaterally negotiated legally binding instrument or a framework encompassing a mutually reinforcing set of instruments; 20. Requests the Secretary-General, within existing resources, to compile a report on the implementation of the present resolution; 21. Decides to include in the provisional agenda of its fifty-fourth session an item entitled “Towards a nuclear-weapon-free world: the need for a new agenda”, and to review the implementation of the present resolution. 79th plenary meeting 4 December 1998 63 1995 Review and Extension Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons, Final Document, Part I (NPT/CONF.1995/32 (Part I)), annex. /...