sentences:  The Presidium of the Supreme Rada of the Autonomous Republic of Crimea shall be composed, ex officio, of the Chairman of the Supreme Rada of the Autonomous Republic of Crimea, the first vice-chairman and vice-chairman, together with the chairmen of the standing committees of the Supreme Rada of the Autonomous Republic of Crimea.The Presidium of the Supreme Rada of the Autonomous Republic of Crimea shall be headed by the Chairman of the Supreme Rada of the Autonomous Republic of Crimea.The proceedings of the Presidium of the Supreme Rada of the Autonomous Republic of Crimea shall be determined under the Constitution of Ukraine, Ukrainian laws, the Constitution of the Autonomous Republic of Crimea, the Regulations of the Supreme Rada of the Autonomous Republic of Crimea and other statutory acts of the Supreme Rada of the Autonomous Republic of Crimea.