Single Administration of Ontario Corporate Tax and the Corporations Information Act Annual Return
The Canada Revenue Agency and the Ontario Ministry of Revenue have harmonized federal and Ontario corporate income tax administration with a single tax return, which includes the Corporations Information Act Annual Return (CIA AR). Beginning January 1, 2009, for tax years ending after December 31, 2008, the CIA AR will be administered by the Canada Revenue Agency, on behalf of Ontario.
Information Sheets
Corporations Information Act Annual Return Filing Requirement - Updated: Jan. 1, 2009
Frequently Asked Questions
January 30, 2009 - Frequently Asked Questions - Corporate Tax Administration Redesign
July 28, 2008 - Frequently Asked Questions Corporate Tax Administration Redesign
Notice to Clients
September 30, 2009 - Amendment to Regulation 182 under the Corporations Information Act
January 30, 2009 - Amendment to Regulation 182 under the Corporations Information Act
July 28, 2008 - Further Amendments to Regulation 182 under the Corporations Information Act
March 10, 2008 - Amendment to Regulation 182 under the Corporations Information Act
December 28, 2007 - Upcoming Changes to the Ontario Corporations Information Act Annual Return Filing Process
Helpful Links
Applicable Legislation
Corporations Information Act (CIA)
Additional Information
Corporations with tax years ending on or before December 31, 2008 should visit Corporations Information Act Annual Return for more information.
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