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
24 Sussex Drive 35 rooms spread on four floors, including the basement, connected by an elevator and many staircases. The latter consists of support rooms, while the main floor holds the dining room, living room, kitchen (which is staffed by a head chef and support staff), main stair hall, prime minister's library, and a sun room. The second floor is primarily bedrooms, including the master bedroom, as well as a family room (described by Margaret Trudeau as her "freedom room") and the office of prime minister's spouse. The third floor contains additional bedrooms and a private study for the prime minister. The exterior