This is an interim form and is to be used as a supplement to the 2001 version of the CT23 Short-Form tax return for taxation years ending after September 30, 2001. Once the 2002 version of the Short-Form tax return has been released this Update Form will no longer be required.

This is an interim form and is to be used as a supplement to the 2001 version of the CT23 or CT8 tax return for taxation years ending after September 30, 2001. Once the 2002 versions of the CT23 or CT8 tax returns have been released this Update Form will no longer be required.

Effective July 1, 2010 retail dealers of tobacco products who do not have a valid Retail Sales Tax Act vendors permit on June 30, 2010, or a current authorization under Ontario's First Nations Cigarette Allocation System, must register for a tobacco retail dealers permit under the Tobacco Tax Act.

Annual corporate tax return and information guide for every insurer carrying on a business in Ontario through a permanent establishment. Please note that the Update Form for the CT8 and CT23 tax returns is a required supplement for the 2001 CT8 for taxation years ending after September 30, 2001.