All-Ukrainian Central Executive Committee

All-Ukrainian Central Executive Committee (Ukrainian: Всеукраїнський центральний виконавчий комітет, romanized: Vseukrainskyi tsentralnyi vykonavchyi komitet) was a representative body of the All-Ukrainian Congress of Soviets. It was the supreme legislative, administrative, executive controlling state power of Soviet Ukraine (Ukrainian SSR) between the sessions of the Congress of Soviets that acted between 1917 until 1938.

Source: Wikipedia — All-Ukrainian Central Executive Committee (CC BY-SA 4.0)