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
Deputy First Minister for Wales Deputy First Minister for Wales The Deputy First Minister for Wales () is the deputy leader of the Welsh Government, the devolved administration for Wales. The post was created in October 2000 when Mike German of the Welsh Liberal Democrats was appointed Deputy First Minister as part of a coalition government with Welsh Labour. Since the office was created, the holder has been the party leader of the junior partner in coalition with Welsh Labour. The last holder was Ieuan Wyn Jones of Plaid Cymru who was also the Minister for the Economy and Transport. Ieuan Wyn Jones served in