The Ontario Police Memorial Foundation is a Charitable Foundation formed by the Police Association of Ontario (PAO), the Ontario Provincial Police Association (OPPA), the Toronto Police Association (TPA), the Ontario Senior Officers’ Police Association (OSOPA), and the Ontario Association of Chiefs of Police (OACP). The Foundation is responsible for the management of the Memorial, which includes adding names of fallen officers whenever required. The Foundation hosts the yearly Ceremony of Remembrance, which is always on the first Sunday in May each year.