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 the Netherlands Dutch ministers used to be responsible to the Monarch and the ministers were taking turns to fill the position of the Prime Minister who had little if any control over the other ministers. The Prime Minister's role gained importance when ministers became responsible to the parliament and the position became mostly reserved for the leader of the biggest political party in the House of Representatives. Still, because the position holds limited powers compared to other neighboring parliamentary democracies, the Prime Minister role is described as "primus inter pares" ("first among equals"). Following the constitutional review of 1983, the position of