Request for an Adjustment to a Corporation Income Tax Return or to an Information and Income Tax Return for Non-Profit Corporations (courtesy translation)
Form CO-17.R must be completed by any corporation that wants to amend a previously filed income tax return. A corporation can use commercial software to file an amended income tax return online. For more information, consult the documentation for the commercial software you use.
Form CO-17.R must also be completed by any non-profit corporation that wants to amend a previously filed information and income tax return.
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The courtesy translation of this document is available below for information purposes only.