Prime Minister's Office (Sri Lanka) the Parliament. The office of prime minister was formed in 1947 with D. S. Senanayake becoming the first Prime Minister of Ceylon. It consisted of a Secretary (Permanent Secretary) and an Assistant Secretary, who were officers of the Ceylon Civil Service, and a Private Secretary, along with clerical and support staff based at the Senate Building along with the Senate, Cabinet office and the Ministry of External Affairs and Defence. Since 1960 the prime minister's office has been based at Sirimathipaya Mansion on Sir Ernest de Silva Mawatha (formerly Flower Road), Colombo which was the former residence of philanthropist Sir
Prime Minister of Australia the governing party or senior coalition party elects an alternative party leader. This has resulted in the party leaders from the Country Party (now named National Party) being appointed as Prime Minister, despite being the smaller party of their coalition. This occurred when Earle Page became caretaker Prime Minister following the death of Joseph Lyons in 1939, and when John McEwen became caretaker Prime Minister following the disappearance of Harold Holt in 1967. However in 1941, Arthur Fadden became the leader of the Coalition and subsequently Prime Minister by the agreement of both coalition parties, despite being the leader of