Authentication error T857: Your client needs to call CRA Helpdesk to authorize you.

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Should you have any questions, suggestions or concerns, please email to . Our professional support technicians will review it and write back to you as soon as possible. Thank you.

  • For CRA account error messages such as Account Locked, EFILE number/password invalid, etc, please contact CRA Helpdesk.
  • If relating to tax return, kindly include version of the software, the schedule name and line number in the message body.
  • Attach screenshots of the error messages/scenarios if applicable. Visit http://www.take-a-screenshot.org on how to take a screenshot.
  • Click Verify button in the software, the prompting message will help you solve the tax return problems.
  • Please check FAQs, Tips and Troubleshooting page first.

 

Note:

1. Non-residents and deemed residents tax returns are not supported.
2. Apple Macintosh operating systems are not supported.
3. ReFile: Click the button ReFile at the top of tool bar.
4. If you cannot find your tax return files, make sure you backed up before. You have to search the files from the hard drives of your computer as we don't keep a copy of them.
5. Authentication error T857: Client needs to call CRA Helpdesk to authorize you.