Jan Fischer's Cabinet government but was willing to support it if they approve the government's programme. Regardless the decision of the presidium of the party, Miroslav Kalousek, Vlasta Parkanová and four other MPs, declared that they support new cabinet. Overally Civic Democrats nominated 6 Ministers and Prime Minister, Social Democrats 8 Ministers and Greens 2 Ministers. Jan Fischer was named Prime Minister on 9 April 2009. The rest of his cabinet was named on 8 May 2009. According to the Constitution of the Czech Republic, Fischer and his cabinet have to survive confidence vote in the Chamber of Deputies in 30 days. If
Prime Minister of Australia becomes acting Prime Minister in those circumstances. Three Prime Ministers have died in office – Joseph Lyons (1939), John Curtin (1945) and Harold Holt (1967). In each of these cases, the Deputy Prime Minister (an unofficial office at the time) became an interim Prime Minister, pending an election of a new leader of the government party. In none of these cases was the interim Prime Minister successful at the subsequent election. As of , there are seven living former Australian Prime Ministers. The greatest number of living former Prime Ministers at any one time was eight. This has occurred twice: