 On February 27, 1973, the Soviet Union deposited with the UNESCO its declaration of accession to the Geneva version of 1952 of the Universal Copyright Convention (UCC).Three months later, on May 27, 1973, the UCC entered in force with respect to the USSR, establishing copyright relations with Western countries.The USSR timed its accession to the UCC to occur before the 1971 Paris version of the UCC entered in force.