If your organization is a resident in Ontario and a brand owner or a first importer that sells or distributes products that are designated as Blue Box or Municipal Hazardous or Special Materials (MHSM) in the Ontario marketplace, you may be a steward.
For more information about what constitutes a Blue Box steward, click here: http://stewardshipontario.ca/stewards/what-we-do/blue-box/for-new-stewards
For more information about what constitutes a Municipal Hazardous and Special Waste (MHSW) steward, click here: http://stewardshipontario.ca/stewards/what-we-do/mhsw/new-stewards