Office of the Prime Minister (Canada) December 21, 2015, the new Prime Minister Justin Trudeau was still in the process of hiring staff. However, he announced some key positions as well as his office's directorates: The Office of the Prime Minister was a fairly weak and secondary group before Pierre Trudeau became prime minister in 1968, after whose appointment much of what had previously been the responsibility of the Privy Council Office was shifted to the PMO. After that point, the PMO became more central to the government, and many of Trudeau's economic and constitutional initiatives were launched with the aid and advice of its staff.
Acting prime minister to an outgoing Prime Minister following an electoral defeat, and who by convention does not implement new policies or an interim Prime Minister who is appointed to perform a similar role to a caretaker Prime Minister, but who is typically not a Prime Minister at the time of being appointed. Within a Commonwealth nation, the office of Acting Prime Minister, like that of Prime Minister is found only in convention, and is not legislated. The Department of Prime Minister and Cabinet, or an equivalent ministry, drafts, reviews and publishes any formal conventions (though these are expressly non binding in a