WSIB articles
Plain language CommercialInsurance.ca guides about WSIB for Ontario businesses and individuals.
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WSIB, contracts and certificates
How to Get a Certificate of Insurance (COI) in Ontario
What a certificate of insurance shows, who issues it, additional insured vs certificate holder, and how Ontario businesses request a COI without delays.
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Is Business Insurance Legally Required in Ontario?
Which business insurance Ontario law requires, from auto insurance to WSIB and regulated professions, and what leases, clients and lenders expect you to have.
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