Speaker of the House of Commons (United Kingdom) Speaker Betty Boothroyd did give a Casting Vote of No, although this was later expunged when the error became clear. In addition to his or her role as presiding officer, the Speaker performs several other functions on the behalf of the House of Commons. He or she represents the body in relations with the Sovereign, the House of Lords, and non-parliamentary bodies. On important occasions of state (such as Queen Elizabeth II's Golden Jubilee in 2002), the Speaker presents Addresses to the Crown on behalf of the House. The Speaker performs various procedural functions. He or she may recall the
Leader of the Government in the House of Commons (Canada) procedure in order to argue points of order before the Speaker of the House of Commons as well as be a good strategist and tactician in order to outmanoeuvre the opposition parties. From 1867 until World War II, the Prime Minister of Canada took upon himself the responsibilities of being Leader of the Government in the House of Commons, organizing and coordinating House of Commons business with the other parties. The expansion of government responsibilities during the war led to Prime Minister William Lyon Mackenzie King deciding to delegate the House leadership to one of his ministers. In 1946, the