First Lord of the Treasury that office; in this case, the Second Lord of the Treasury usually served as Chancellor. As of 1841, the Chancellor of the Exchequer has always been Second Lord of the Treasury when he was not also Prime Minister. By convention, the other Lords Commissioners of the Treasury are also Government Whips in the House of Commons. 10 Downing Street is the official residence of the First Lord of the Treasury, and not of the Prime Minister. Chequers, a country house in Buckinghamshire, is the official country residence of the Prime Minister, used as a weekend and holiday home, although the
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