Toronto Bylaw 583-2009 – To adopt City of Toronto Municipal Code Chapter 492, Green Roofs, under s. 108 of the City of Toronto Act, 2006

The bylaw requires green roofs on new commercial, institutional and residential development with a minimum Gross Floor Area of 2,000 m2 as of January 31, 2010. Starting April 30, 2012, the bylaw will require compliance with the bylaw for new industrial development.