- CT23 / Annual Returns / EFF Declarations
- CT8 (Insurers)
- Waivers
- 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. - Authorizing or Cancelling a Representative [PDF - 330 KB]
- 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. - Request for Registration [PDF - 576 KB]
For Mining Tax, Hydro Payment in Lieu (PIL), and CT-Insurance Premium Tax - Service Ontario
Companies and Personal Property Security Branch Forms - Schedules
