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.
Expired
Forms
- CT23 2007 Corporations Tax and Annual Return [PDF - 290 KB]
Annual corporate tax return for corporations with permanent establishments in Ontario.
Publications
- Budget Measures Act, 2006 (No.2) - Bill 151 - Mining Tax
Provides information on amendments to the Mining Tax Act included in the Budget Measures Act, 2006 (No.2) - Bill 151, introduced October 18, 2006. - 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.
