Deputy Prime Minister of the United Kingdom as to the absence of a formal post of Deputy Prime Minister in Britain's uncodified constitution. Theoretically the sovereign possesses the unrestricted right to choose someone to form a government following the death, resignation or dismissal of a Prime Minister. One argument made to justify the non-existence of a permanent deputy premiership is that such an office-holder would be seen as possessing a presumption of succession to the premiership, thereby effectively limiting the sovereign's right to choose a prime minister. However, only two Deputy Prime Ministers have gone on to become Prime Minister. Clement Attlee won the 1945 general election
Council of Civil Service Unions v Minister for the Civil Service invariable practice of the executive as forming a basis for legitimate expectation. The case also shows that national security remains a political issue and not a legal one; it is not to be determined by a court. It summarises the scope of judicial review. In "R (Bancoult) v Secretary of State for Foreign and Commonwealth Affairs (No 2)", heard at the House of Lords, one of the matters decided was whether or not the courts could subject Orders in Council to judicial review. The Lords unanimously agreed that although Orders in Council were defined as "primary legislation" in the Human