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How do I fix an error on a tax slip I already submitted?

This article will summarize how to update and resubmit a tax package if you discover an information error after filing.

Prerequisites/Warning

  • Confirmed Status Required: You can only start this process if your original tax package is marked as Confirmed.

  • Most Recent Version: If you need to make multiple changes over time, always start your new amendment from the most recently completed version of the package.

Overview & Explanation

Mistakes happen, but correcting them doesn't require starting from scratch. If you realize a tax slip contains incorrect information after it has been sent, you can use the Amend feature to provide the correct details to the tax authorities. This ensures your records remain accurate and compliant without needing to delete previous filings.

How It Works (Step-by-Step)

  1. Find your original filing: Locate the tax package you previously sent that is now marked as Confirmed.

  2. Start the update: Open the package and click the Amend button located next to the specific slip you need to change.

  3. Correct the details: Once you are in the update screen, carefully type in the accurate information. Double-check all values to ensure the new data is correct.

  4. Review and Send: After you have reviewed your changes, click Submit to send the corrected package.

  5. Track the progress: Your updated filing will move through the standard stages (Processing) until it is once again Confirmed by the tax authority.

Note: Processing times are determined by the tax authority and may vary.

Use Cases and Benefits

  • Correcting Typos: Quickly fix a misspelled name or an incorrect identification number without re-entering the entire tax year's data.

  • Adjusting Financial Values: Update income or deduction amounts if an accounting error is discovered post-filing.

  • Maintaining Compliance: Ensure the tax authorities have the same data you have in your internal records to avoid future audits or penalties.

  • Clear Audit Trail: By amending rather than deleting, you keep a clear history of what was originally sent and how it was corrected.

Final Reminder

Year-end tax filing is time-sensitive. Generating and reviewing packages early gives payroll admins time to resolve errors, confirm employee information, and meet CRA and Revenu Québec deadlines with confidence.

If you’re using Managed Support, ensure your clients’ year-end contact information is accurate so the support team can reach out promptly if any submission issues arise.

The most common issue occurs when a previous payroll provider has already submitted a tax package, which can result in duplicated or incorrect earnings. If this happens and the CRA or Revenu Québec contacts Corfix, our support team will reach out to help resolve the issue.