Parliamentary Private Secretary to the Prime Minister Bonar Law's Parliamentary Private Secretary, J.C.C. Davidson acted in effect as his Chief of Staff. Margaret Thatcher's downfall from the Conservative Party leadership in 1990 is attributed by many to the actions of her Parliamentary Private Secretary, Peter Morrison, in failing accurately to count votes amongst Conservative backbenchers. Some Parliamentary Private Secretaries to the Prime Minister go on to hold higher office; Lord Dunglass served as Parliamentary Private Secretary under Neville Chamberlain and later went on to serve as Prime Minister in his own right. There can be multiple Parliamentary Private Secretaries to the Prime Minister at a given time.
Prime Minister of the Philippines Ferdinand E. Marcos. Article IX, section 3 of the 1973 Constitution describes the primary qualification of an individual to become the Prime Minister: he must be a member of the Interim Batasang Pambansa (National Assembly). To become a member of the Interim Batasang Pambansa, one must be a qualified citizen of the Republic and was elected by the popular district in which he will represent at the assembly. Though the appointment of the Prime Minister is exactly written on the Constitution, however, the Prime Minister is exempted from impeachment, thus paving way for whoever the Prime Minister will be, for