- CT23 / Annual Returns / EFF Declaration
- Insurers
- Waivers
- Authorizing or Cancelling a Representative [PDF - 330 KB]
Complete this form to authorize the release of confidential information about the Corporations Tax, Mining Tax or Electricity Act account(s) to a representative or to cancel an existing authorization. - Application for Refund under the Ontario Tax Exemption for Commercialization [PDF - 100 KB]
This form is to be used when claiming the Refund under the Ontario Tax Exemption for Commercialization. - Listing of Certified Software Vendors
- ServiceOntario
This link provides access to a number of services for businesses. - Ontario Jobs and Opportunity Bond (OJOB) Refund Claim [PDF - 366 KB]
This form is to be completed by certain corporations who receive interest from Ontario Jobs and Opportunity Bonds (OJOBs). The form is valid for taxation years ending after December 31, 2008. - Schedules
