Prime minister leader, the incoming leader will usually be referred as "prime minister-in-waiting". An example or this situation was in 2016 in the United Kingdom when Theresa May was elected leader of the Conservative Party while David Cameron was still prime minister. Ukraine's constitution (1996) lists the powers, functions and duties of the Prime Minister of Ukraine. Most prime ministers in parliamentary systems are not appointed for a specific term in office and in effect may remain in power through a number of elections and parliaments. For example, Margaret Thatcher was only ever appointed prime minister on "one" occasion, in 1979. She
Prime Minister of Belgium political parties about their demands for formation of a new government. After these consultations, the "informateur" reports to the King so that the King can find a suitable "formateur", who is responsible for forming the government. Usually, it is the "formateur" of the federal government who then becomes Prime Minister. The Prime Minister or Premier is appointed by the King, alongside the other ministers and secretaries of state of the federal government. As the head of government, he is the first to be appointed. Per the Constitution, the King's actions are only valid with the countersignature of a minister. For