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 Sri Lanka the Sri Lanka Police. During emergencies military units have been allocated to bolster security. At present the Prime Minister's Security Division is in charge of security of the Prime Minister. The post of Prime Minister of Ceylon was created in 1947 prior to independence from Britain and the formation of the Dominion of Ceylon in 1948. United National Party leader D. S. Senanayake became the first Prime Minister of Then Ceylon in 1947 after independence. In 1972 when Sri Lanka became a republic the name of the post changed to Prime Minister of Sri Lanka. With a Westminster-based political system