Form
- CT23 Corporations Tax and Annual Return

Annual corporate tax return for corporations with permanent establishments in Ontario.
Publications
- Educational Technology Tax Incentive
Tax Legislation Bulletin 01-07 - The rules discussed in this bulletin are contained in section 13.5 of the Corporations Tax Act and subsection 8(15.4) and section 8.4.1 of the Ontario Income Tax Act. - Taxpayer Requested Adjustments to Tax Credits and Incentives
Information Notice 6009 - This notice explains the Ministry of Revenue's policy on accepting and processing taxpayer requested adjustments to several tax credits and incentives. - Ontario Budget 2004 - Corporations Tax Act Measures
Information Notice 6006 - On May 18, 2004, a number of measures relating to the Corporations Tax Act were proposed in the 2004 Ontario Budget. The legislation must receive passage by the Legislature and Royal Assent to become law. - Guide to the CT23 Corporations Tax and Annual Return
An information guide providing information and assistance for the completion of the CT23 return.


