Prime Minister of Canada has granted former prime ministers an augmentation of honour on the personal coat of arms of those who pursued them. The heraldic badge, referred to by the CHA as the "mark of the Prime Ministership of Canada", consists of four red maple leaves joined at the stem on a white field ("Argent four maple leaves conjoined in cross at the stem Gules"); the augmentation has, so far, been granted either as a canton sinister or centred in the chief. To date, former prime ministers Joe Clark, Pierre Trudeau, John Turner, Brian Mulroney, Kim Campbell and Jean Chrétien were granted arms
Brian Mulroney part of a union accreditation struggle. To ensure the commission was non-partisan, Bourassa, the Liberal premier, placed Robert Cliche, a former leader of the provincial New Democratic Party in charge. Cliche asked Mulroney, a Progressive Conservative and a former student of his, to join the commission. Mulroney asked Lucien Bouchard to join as counsel. The committee's proceedings, which showed Mafia infiltration of the unions, made Mulroney well known in Quebec, as the hearings were extensively covered in the media. The Cliche Commission's report was largely adopted by the Bourassa government. A notable incident included the revelation that the controversy may