Corporations Information Act Annual Returns
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.
The documents below will help you to understand the Corporations Information Act Annual Return filing process and how to complete the forms.
Information Sheets
Corporations Information Act Annual Return Filing Requirements - Updated: Apr. 1, 2010
Corporations Information Act Annual Return Questions & Answers - Updated: Apr. 1, 2010
Forms
Business and extra-provincial corporations may download Corporations Tax Guides and Returns from the Ontario Ministry of Revenue website for tax years ending on or before December 31, 2008.
Business, non-profit and extra-provincial corporations may download Corporations Tax Guides and Returns from the Canada Revenue Agency website for tax/fiscal years ending after December 31, 2008.
Helpful Links
Single Administration of Ontario Corporate Tax & The Corporations Information Act Annual Return
Applicable Legislation
Corporations Information Act (CIA)
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