 In December, despite Tudeh opposition, Mohammed Mosaddeq successfully advanced legislation preventing any government official from granting Iranian fields to any foreign investor without explicit approval from the Majlis.Kavtaradze protested the change, claiming that it was aimed against the Soviet Union, but the Bayet cabinet refused to renegotiate and he returned to Moscow without having registered any gain.In June 1945, Molotov, Kavtaradze and Azerbaijan SSR leader Mir Jafar Baghirov were instructed by the Soviet Central Committee to secretly prepare a separatist insurrection in the Iranian Azerbaijan.