Appointees to the Order of Canada can have their membership revoked if the order's advisory council determines a member's actions have brought dishonour to the order. Eight people have been removed from the Order of Canada: Alan Eagleson, David Ahenakew, T. Sher Singh, Steve Fonyo, Garth Drabinsky, Conrad Black, Ranjit Chandra, and Johnny Issaluk. Eagleson was removed from the order after being jailed for fraud in 1998;[1] Ahenakew was removed in 2005, after being convicted of promoting anti-Semitic hatred in 2002;[2] Singh was removed after the revocation of his law licence for professional misconduct;[3] Fonyo was removed due to numerous criminal convictions;[4] Drabinsky was removed in 2012 after being found guilty of fraud and forgery in Ontario;[5] Black was removed in 2014 after being convicted of fraud and obstruction of justice in the United States;[6] Chandra was removed in 2015 for committing research fraud;[7] Issaluk was removed in 2022 following sexual misconduct allegations.[8] The formal removal process is performed by the Advisory Council of the Order of Canada, though it can be initiated by any citizen of Canada.
Singh
was invoked but never defined (see the help page).