Office of the Prime Minister (Canada) as "BPM".) In addition, unlike examples such as 10 Downing Street, the White House and even Rideau Hall, the Canadian Prime Minister's official residence of 24 Sussex Drive is not widely used as a metonym for the Prime Minister's Office. This is because, unlike those examples, the Canadian Prime Minister's official residence is not the site of any bureaucratic functions. One of the most important roles of the PMO is related to government appointments, which are made by the Queen-in-Council (or Governor-in-Council), but, as Canada is a constitutional monarchy, this is done on the normally binding advice of the prime
Prime Minister of Canada revealing any secrets, I can tell you that I have done all three." Two official residences are provided to the prime minister—24 Sussex Drive in Ottawa and Harrington Lake, a country retreat in Gatineau Park—as well an office in the Office of the Prime Minister and Privy Council (formerly known as Langevin Block), across from Parliament Hill. For transportation, the prime minister is granted an armoured car and shared use of two official aircraft—a CC-150 Polaris for international flights and a Challenger 601 for domestic trips. The Royal Canadian Mounted Police also furnish constant personal security for the prime minister