Договор об образовании СССР
The All-Union Central Executive Committee (, "Vsesoyuznyy Tsentral'nyy ispolnitel'nyy komitet") was the most authoritative governing body of the USSR during the interims of the sessions of the All-Union Congress of Soviets. Established in 1922 by the First All-Union Congress of Soviets (see Treaty on the Creation of the USSR), in 1938 it was replaced by the Presidium of the Supreme Soviet of first convocation.