Prime Minister of Israel Basic Laws of Israel explicitly vest executive power in the government, of which the Prime Minister is the leader. The office of Prime Minister came into existence on 14 May 1948, the date of the Declaration of the Establishment of the State of Israel, when the provisional government was created. David Ben-Gurion, leader of Mapai and head of the Jewish Agency became Israel's first Prime Minister. The position became permanent on 8 March 1949, when the first government was formed. Ben-Gurion retained his role until late 1953, when he resigned in order to settle in the Kibbutz of Sde Boker.
First Vice Prime Minister of Ukraine to Prime Minister, all office duties of the First Vice Prime Minister are supported by the Secretariat of Cabinet of Ministers. Along with other members of Cabinet of Ministers, the newly appointed First Vice Prime Minister takes one and the same oath of office at a plenary session of the Verkhovna Rada (Ukrainian parliament). According to the Article 10 (Law of Ukraine about the Cabinet of Ministers), a member of Cabinet of Ministers (except for the Prime Minister of Ukraine) who refuses to take the oath is considered as such who refused to accept the post. Every newly appointed member