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
Caroline Mulroney after Bouchard defected from her father's party to the Bloc Québécois. In 1990, she helped canvass for Ontario PC candidate Alex Burney in the 1990 Ontario election. Mulroney came to prominence in 1991, during her father's tenure as prime minister, when "Frank" magazine ran a satirical advertisement for a contest inviting young Tories to "Deflower Caroline Mulroney". Mulroney's father was incensed and threatened physical harm toward those responsible before joining several women's groups in denouncing the ad as an incitement to rape. Mulroney supported her father during the Oliphant hearings where he admitted to taking $225,000 in cash from Karlheinz