YEREVAN (Noyan Tapan)–"A peaceful settlement of the Nagorno-Karabakh conflict based on international principle of rights to self determination is an urgent necessity in the new state of negotiations–which commenced following the appointment of the Russian–US and French co-chairman of the Organization for Security and Cooperation in Europe’s Minsk Group," declared an announcement issued by the Nagorno-Karabakh Republic Foreign Ministry Tuesday. "Currently–any ill-considered and hasty proposals based by mediators based on announcemen’s made at the December 1996 OSCE Lisbon Summit–suggesting a resolution of the conflict with predetermined circumstances in the status of Karabakh–can have an extremely negative impact on the posturing of the sides to the conflict. The toughening of positions by the sides to the conflict on the eve of negotiations in Moscow was caused by a statement of the OSCE Chairman in Office," the statement continued. The Karabakh foreign ministry statement also revealed that the Nagorno-Karabakh Republic National Assembly–based on that country’s presidential law–had accepted the resignation of former Nagorno-Karabakh Republic president Robert Kocharian who–last week–was appointed Armenia’s prime minister. In accordance to the same law–the announcement stated that the Karabakh prime minister Leonard Petrossian had assumed the presidential responsibilities. In conclusion–the government of the Nagorno-Karabakh Republic reaffirmed its commitment to maintaining the cease-fire and continuing to seek a peaceful resolution to the conflict. The Nagorno-Karabakh Republic "calls on all interested sides to accelerate efforts in finding stable and long-term solution to the conflict based on mutual compromises.