The Corporation of the City of Toronto, or simply the City of Toronto, is the organization responsible for the administration of the municipal government of Toronto, Ontario, Canada. Its powers and structure are set out in the City of Toronto Act. The powers of the City of Toronto are exercised by its legislative body, the Toronto City Council, composed of 25 members and the mayor. City council passes municipal legislation – known as by-laws – approves spending, and has direct responsibility for the oversight of services delivered by the City and its agencies.