Portcullis House All rooms in the building are fitted with "annunciators" (monitors which announce in real-time the current business in the Chambers of the House of Commons, the House of Lords, or both). "Division bells" are also installed throughout the building, which alert MPs to the calling of a division (vote) in the Chamber of the House of Commons. Along with this, visual aids (a flashing image of a bell) are displayed on television sets and computer desktops in MPs' offices when the Division bell sounds. On the ground floor are a range of services including a waiter-service restaurant ("The Adjournment"), informal
House of Commons of Canada House by a vote. A clause in the Constitution Act, 1867 permits the Governor General (with the approval of the Queen) to appoint up to eight extra senators to resolve a deadlock between the two houses. The clause was invoked only once, in 1990, when Prime Minister Brian Mulroney advised the appointment of an additional eight senators in order to secure the Upper House's approval for the Goods and Services Tax. Though it does not formally elect the prime minister, the House of Commons indirectly controls the premiership. By convention, the prime minister is answerable to, and must maintain the