agreement regarding continued cooperation and entered into negotiations regarding the future status of the Federal Republic of Yugoslavia. In 2003, the Yugoslav federation was replaced in favour of a more decentralized state union named Serbia and Montenegro.
Independence
The status of the union between Montenegro and Serbia was decided by the referendum on Montenegrin independence on 21 May 2006. A total of 419,240 votes were cast, representing 86.5% of the total electorate. 230,661 votes (55.5%) were for independence and 185,002 votes (44.5%) were against. The 45,659 difference narrowly surpassed the 55% threshold needed to validate the referendum under the rules set by the European Union. According to the electoral commission, the 55% threshold was passed by only 2,300 votes. Serbia, the member-states of the European Union, and the permanent members of the United Nations Security Council all recognised Montenegro's independence.
The 2006 referendum was monitored by five international observer missions, headed by an Organization for Security and Co-operation in Europe (OSCE)/ODIHR team, and around 3,000 observers in total (including domestic observers from CDT, CEMI, CEDEM and other organizations). The OSCE/ODIHR joined efforts with the observers of the OSCE Parliamentary Assembly (OSCE PA), the Parliamentary Assembly of the Council of Europe (PACE), the Congress of Local and Regional Authorities of the Council of Europe (CLRAE) and the European Parliament (EP) to form an International Referendum Observation Mission (IROM). The IROM—in its preliminary report—"assessed compliance of the referendum process with OSCE commitments, Council of Europe commitments, other international standards for democratic electoral processes, and domestic legislation." Furthermore, the report assessed that the competitive pre-referendum environment was marked by an active and generally peaceful campaign and that "there were no reports of restrictions
