After the formation of Serbia and Montenegro, the Yugoslav tricolour was to be replaced by a new compromise flag. Article 23 of the Law for the implementation of the Constitutional Charter  stated that a law specifying the new flag was to be passed within 60 days of the first session of the new joint parliament. Among the flag proposals, the popular choice was a flag with a shade of blue in between the Serbian tricolour and the Montenegrin tricolour of 1993-2004. The colour shade Pantone 300 C was perceived as the best choice. However the parliament failed to vote on the proposal within the legal time-frame and the flag was not adopted. In 2004, Montenegro adopted a radically different flag, as its independence-leaning government sought to distance itself from Serbia. Proposals for a compromise flag were dropped after this and the Union of Serbia & Montenegro never adopted a flag.
A similar fate befell the country's anthem and coat-of-arms to be; the above-mentioned Article 23 also stipulated that a law determining the State Union's flag and anthem was to be passed by the end of 2003. The official proposal for an anthem was a combination piece consisting of one verse of the Serbian anthem "Bože pravde" followed by a verse of the Montenegrin anthem, "Oj, svijetla majska zoro". This proposal was dropped after some public opposition, notably by Serbian Patriarch Pavle. Another legal deadline passed and no anthem was adopted. Serious proposals for the coat of arms were never put forward, probably because the coat of arms of the FRY, adopted in 1994 combining Serbian and Montenegrin heraldic elements, was considered adequate.
Thus, the State Union never officially adopted state symbols and continued to use the flag, arms and anthem of the Federal Republic of Yugoslavia by inertia until its dissolution in 2006.
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