In order to ReFILE your return, your return must be processed by the government (the notice of assessment must be emitted). You will need to follow the following steps:
1. Go to the “NETFILE” tab. Click on “Federal submission” section. On the bottom of the page, click “ReFILE.” NOTE: A new page “CRA ReFile” will appear in the left menu of the “Interview” tab
2. Select the section from the Left-side menu, then click “Federal ReFILE Mode.” Make the modification that you want
3. Click the “Review” tab, then click “NETFILE” tab
4. Tick the box “I agree with the ReFILE Terms and Conditions and Private Notice”