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
Civil Service (United Kingdom) and instructions to departments and agencies regarding the terms and conditions of service of civil servants. It is the guiding document which gives delegation to civil service organisations, from the Minister for the Civil Service, in order for them to make internal personnel policies. The Civil Service Commissioners' Recruitment Code is maintained by the Civil Service Commissioners and is based on the "principle of selection on merit on the basis of fair and open competition." The Osmotherly Rules set out guidance on how civil servants should respond to Parliamentary select committees. A two-volume 125-page "Directory of Civil Service Guidance" was