Changing a Return That Is Already Filed

If you wish to make changes to your income tax return after you have filed it, you must either use our Request to Change Income Tax Return Information online service or file a Request for an Adjustment to an Income Tax Return (form TP-1.R-V).

Using the online service

You can request changes to certain lines of your income tax return for the 2011 taxation year through our Request to Change Income Tax Return Information online service.

Note that the service does not allow you to request changes to all the lines of the income tax return.

Using the form

You must complete a Request for an Adjustment to an Income Tax Return (form TP-1.R-V) and mail it to us if you are in one of the following situations:

• You want to request changes to an income tax return for a year preceding 2011
• Your income tax return is currently being processed
• Your income tax return covers the period from January 1 to the day preceding the date of the bankruptcy
• Your income tax return is for a year preceding the year of the bankruptcy
• You filed form TP-22-V, Income Tax Payable by an Individual Who Carries On a Business in Canada, Outside Québec, or form TP-25-V, Income Tax Payable by an Individual Resident in Canada, Outside Québec, Who Carries On a Business in Québec, with your income tax return
• You contested, by means of a notice of objection or of an appeal to the Court of Québec (Civil Division), a notice of assessment that we sent you further to the processing of your return