A/RES/59/59 Emphasizing the crucial importance of the full implementation of Security Council resolution 1244 (1999) of 10 June 1999 on Kosovo, Serbia and Montenegro, and stressing, inter alia, the role and responsibility of the United Nations Interim Administration Mission in Kosovo, supported by the Organization for Security and Cooperation in Europe and the European Union, and of the North Atlantic Treaty Organization and its Kosovo Force in that regard, Reaffirming the validity of the Agreement for the delineation of the borderline between the former Yugoslav Republic of Macedonia and Serbia and Montenegro, signed in Skopje on 23 February 2001, 2 and encouraging the parties to cooperate in its timely implementation, Noting the importance of the Regional Conference on Border Security and Management, held in Ohrid, the former Yugoslav Republic of Macedonia, on 22 and 23 May 2003, Emphasizing the crucial importance of strengthening regional efforts in SouthEastern Europe on arms control, demining, disarmament and confidence-building measures and non-proliferation of weapons of mass destruction, and concerned that, in spite of ongoing efforts, the illicit trade in small arms and light weapons in all its aspects persists in some parts of the region, Affirming its support for all regional initiatives on combating the illicit proliferation of small arms and light weapons, including the activities undertaken at the national level for their collection and destruction, Mindful of the importance of national, regional and international activities of all relevant organizations aimed at the creation of peace, security, stability, democracy, cooperation and economic development and the observance of human rights and good-neighbourliness in South-Eastern Europe, Reaffirming its determination that all nations should live together in peace with one another as good neighbours, 1. Nations; Reaffirms the need for full observance of the Charter of the United 2. Calls upon all States, the relevant international organizations and the appropriate organs of the United Nations to respect the principles of territorial integrity and sovereignty of all States and the inviolability of international borders, to continue to take measures in accordance with the Charter and the commitments of the Organization for Security and Cooperation in Europe and through further development of regional arrangements, as appropriate, to eliminate threats to international peace and security and to help to prevent conflicts in South-Eastern Europe, which can lead to the violent disintegration of States; Acknowledges the positive results achieved so far by the countries of the 3. region, urges them to invest further efforts in consolidating South-Eastern Europe as a region of peace, security, stability, democracy, the rule of law, cooperation and economic development and for the promotion of good-neighbourliness and the observance of human rights, thus contributing to the maintenance of international peace and security and enhancing the prospects for sustained development and prosperity for all peoples in the region as an integral part of Europe, and recognizes _______________ 2 2 A/56/60-S/2001/234, annex.