Deputy Prime Minister of Australia accepted the view put to him by McEwen that to commission a Liberal temporarily as Prime Minister would give that person an unfair advantage in the forthcoming party room ballot for the permanent leader. McEwen's appointment was in keeping with the previous occasion when the main non-Labor party was without a leader; Earle Page of the Country Party was interim Prime Minister between 7 and 26 April 1939—the period between Joseph Lyons' sudden death and the United Australia Party naming Robert Menzies his successor. Since 1968 only two Deputy Prime Ministers have gone on to become Prime Minister: Paul Keating
Prime Minister of Poland the event that a vote of confidence fails, the process of government formation passes to the Sejm, which will then nominate a prime minister within fourteen days, who will again propose the composition of the cabinet. An absolute majority of votes in the presence of at least half of all Sejm deputies is required to approve the cabinet, which the president will then accept and administer the oath of office. If the vote of confidence fails again, the process of nomination is handed back to the presidency, who will appoint a prime minister, who will then nominate other members of