Notice to the reader: The Ontario Current Cost Allowance Deduction ceased to be in effect as of January 1, 2009. This deduction is not available for taxation years ending after December 31, 2008.
Ontario Current Cost Adjustment
Expired
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Forms
- CT23 2007 Corporations Tax and Annual Return
Annual corporate tax return for corporations with permanent establishments in Ontario.
Publications
- General Adjustments to Ontario Income Tax Payable
This bulletin describes some general tax credits offered to broad categories of corporations. - Guide to the 2007 CT23 Corporations Tax and Annual Return
- Ontario Current Cost Adjustment: Pollution Control Equipment
This bulletin discusses the Ontario Current Cost Adjustment (OCCA) deduction in respect of new pollution control equipment acquired after December 31, 1990. - Taxpayer Requested Adjustments to Tax Credits and Incentives - Corporations Tax
Explains the Ministry of Finance's policy on accepting and processing taxpayer requested adjustments to several tax credits and incentives.
If you have trouble accessing one of these documents in your browser:
- Save it to your computer by right clicking on the link and selecting “Save Link As…”
- Save the file on the desktop (default selection) or browse to save the file in the directory of choice
- Once the file is saved, open the saved file using Adobe Reader
