A/RES/56/216 the Nagorny-Karabakh region of the Republic of Azerbaijan, and welcomes cooperation between the United Nations and the Organization for Security and Cooperation in Europe in this regard; 22. Expresses deep concern at the failure to achieve a settlement of the Nagorny-Karabakh conflict despite the intensified dialogue between the parties and the active support of the Co-Chairmen of the Minsk Group of the Organization for Security and Cooperation in Europe, reaffirms that the prompt resolution of that protracted conflict will contribute to lasting peace, security, stability and cooperation in the South Caucasus region, reiterates the importance of continuing the peace dialogue, calls upon the sides to continue their efforts to achieve an early resolution of the conflict based on the norms and principles of international law, encourages the parties to explore further measures that would enhance mutual confidence and trust, including the release of prisoners of war, welcomes the commitment of the parties to the ceasefire and to achieving a peaceful and comprehensive settlement, and encourages the parties to continue their efforts, with the active support of the Co-Chairmen, to reach a just and enduring settlement; 23. Decides to include in the provisional agenda of its fifty-seventh session the item entitled “Cooperation between the United Nations and the Organization for Security and Cooperation in Europe”, and requests the Secretary-General to submit to the General Assembly at its fifty-seventh session a report on cooperation between the United Nations and the Organization for Security and Cooperation in Europe in implementation of the present resolution. 91st plenary meeting 21 December 2001 5