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 South Africa He was the country's leading political figure and "de facto" chief executive, with powers similar to those of his British counterpart. The position of Prime Minister was abolished in 1984, when the State President was given executive powers after a new constitution was adopted—effectively merging the powers of the Prime Minister with those of the State President. The last Prime Minister, P. W. Botha, became the first executive State President after the constitutional reform. In post-Apartheid South Africa, the Inkatha Freedom Party has called for a return to a Westminster-style split executive with a Prime Minister as the actual head