Tajik Soviet Socialist Republic by the Tajik republican branch within the Communist Party of the Soviet Union in all organs of government, politics and society. The Supreme Soviet was a unicameral legislature of the republic headed by a Chairman, with its superiority to both the executive and judicial branches and its members convened in the Supreme Soviet building in Dushanbe. Since independence in 1991, it retained the unicameral structure before being replaced by an bicameral system in 1999 using the presidential system. The republic's government structure was similar to those of other republics. Tajikistan was the only Central Asian Republic to not form an
Byelorussian Soviet Socialist Republic along with Russia and Ukraine, of the Belavezha Accords, which replaced the Soviet Union with the Commonwealth of Independent States. Belarus received independence on 25 December 1991. A day later the Soviet Union ceased to exist. However, the Constitution (Fundamental Law) of the Republic of Belarus of 1978, was retained after independence. Byelorussia was a one-party socialist republic, governed by the Communist Party of Byelorussia, a branch within the Communist Party of the Soviet Union (CPSU/KPSS). Like all other Soviet republics, it was one of the 15 constituent republics composing the Soviet Union from its entry into the union in