Correct Your Tax Return Mistake: Here’s How
Errors in tax returns can be corrected, and taxpayers are encouraged to rectify mistakes promptly. The Canada Revenue Agency (CRA) recently outlined procedures available for these corrections. These changes are aimed at streamlining the process of correcting tax returns, ensuring taxpayers can receive or pay the correct amounts without needing to start over.
How to Correct Your Tax Return Mistake
Taxpayers have two primary methods to correct their income tax returns, according to the CRA:
- Online Submission: Log into your CRA account, and use the “Change my return” service. You can also utilize an approved tax software to retransmit your request.
- Paper Submission: Complete the T1-ADJ form and send it along with supporting documents to your tax center. This method tends to be slower.
Processing Times for Corrections
Corrections submitted online typically have a faster processing time. The CRA states:
- Most online requests are processed within two weeks.
- Requests submitted by mail can take up to eight weeks to process.
The CRA is enhancing its online services based on feedback from tax professionals and stakeholders. These enhancements aim to make online requests more accessible and straightforward.
Document Submission and Delays
For online submissions, documentation is generally not needed unless contacted by the CRA for further information. However, a high volume of requests may lead to delays in processing:
- If additional details are required, it may extend processing times.
- Extra review processes may take up to 49 weeks.
Taxpayers are encouraged to stay informed about these guidelines to ensure a smooth correction process. Utilizing CRA’s online services could lead to quicker resolutions and refunds.

