A/RES/55/33 Stressing the importance of the treaties of Tlatelolco, 32 Rarotonga, 33 Bangkok 34 and Pelindaba, 35 establishing nuclear-weapon-free zones, as well as the Antarctic Treaty, 36 to, inter alia, achieve a world entirely free of nuclear weapons, Underlining the value of enhancing cooperation among the nuclear-weaponfree zone treaty members by means of mechanisms such as joint meetings of States parties, signatories and observers to those treaties, Recalling the applicable principles and rules of international law relating to the freedom of the high seas and the rights of passage through maritime space, including those of the United Nations Convention on the Law of the Sea, 37 1. Welcomes the continued contribution that the Antarctic36 and the treaties of Tlatelolco,32 Rarotonga, 33 Bangkok 34 and Pelindaba35 are making towards freeing the southern hemisphere and adjacent areas covered by those treaties from nuclear weapons; 2. Calls for the ratification of the treaties of Tlatelolco, Rarotonga, Bangkok and Pelindaba by all States of the region concerned, and calls upon all concerned States to continue to work together in order to facilitate adherence to the protocols to nuclear-weapon-free zone treaties by all relevant States that have not yet done so; 3. Welcomes the steps taken to conclude further nuclear-weapon-free zone treaties on the basis of arrangements freely arrived at among the States of the region concerned, and calls upon all States to consider all relevant proposals, including those reflected in its resolutions on the establishment of nuclear-weapon-free zones in the Middle East and South Asia; 4. Convinced of the important role of nuclear-weapon-free zones in strengthening the nuclear non-proliferation regime and in extending the areas of the world that are nuclear-weapon-free, and, with particular reference to the responsibilities of the nuclear-weapon States, calls upon all States to support the process of nuclear disarmament and to work for the total elimination of all nuclear weapons; 5. Calls upon the States parties and signatories to the treaties of Tlatelolco, Rarotonga, Bangkok and Pelindaba, in order to pursue the common goals envisaged in those treaties and to promote the nuclear-weapon-free status of the southern hemisphere and adjacent areas, to explore and implement further ways and means of cooperation among themselves and their treaty agencies; 6. Welcomes the vigorous efforts being made among States parties and signatories to those treaties to promote their common objectives, and considers that an international conference of States parties and signatories to the nuclear-weaponfree zone treaties might be held to support the common goals envisaged in those treaties; 32 United Nations, Treaty Series, vol. 634, No. 9068. See The United Nations Disarmament Yearbook, vol. 10: 1985 (United Nations publication, Sales No. E.86.IX.7), appendix VII. 34 Treaty on the South-East Asia Nuclear-Weapon-Free Zone. 35 A/50/426, annex. 36 United Nations, Treaty Series, vol. 402, No. 5778. 37 United Nations publication, Sales No. E.97.V.10. 33 15