sentences:  They are formed on the basis of personal written statements of deputies elected in multi-member constituencies and single-mandate majoritarian constituencies for elections of deputies of the Council from Republican organizations of political parties.The Council is presided by a Presidium composed by the Chairman, a First Deputy Chairman, and a Deputy Chairman as "ex-officio" members.The Presidium of the Supreme Rada of the Autonomous Republic of Crimea shall be formed for purposes of coordination of the business of the bodies of the Supreme Rada of the Autonomous Republic of Crimea, assistance to the members of the Supreme Rada of the Autonomous Republic of Crimea with execution of their duties, preparation of sessions and exercise of other powers.