Prime Minister of the United Kingdom the convention developed that the Prime Minister should always sit in the lower house. As leader of the House of Commons, the Prime Minister's authority was further enhanced by the Parliament Act of 1911 which marginalised the influence of the House of Lords in the law-making process. The Prime Minister is "ex officio" also First Lord of the Treasury and Minister for the Civil Service. Certain privileges, such as residency of 10 Downing Street, are accorded to Prime Ministers by virtue of their position as First Lord of the Treasury. The status of the position as Prime Minister means that
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