CRA system error codes affecting your ability to file.

Raph-ENCA — Fri, 09 May 2025 13:28:43 GMT

There is a CRA system issue that is affecting your ability to file. At the moment, there's no workaround solution or expected timeframe to resolve from the CRA for the following error codes: 45555, 45566, 90308 and 95031.

If you see one of these error codes, it's due to a CRA issue affecting all tax software in Canada, and on May 7th the CRA provided an update that they are continuing to work to resolve these issues.

Error 45555: No timeline provided by CRA to resolve.

Error 45566: CRA expects to resolve the issue on May 19th

Error 90308: CRA expects to resolve the issue on May 19th

Error 95031: CRA expects to resolve the issue on May 19th

The CRA is tracking cases affected by these errors, and in the event that an issue is not resolved before the April 30th filing deadline, the CRA has announced that it will provide arrears interest and penalty relief proactively for impacted individuals who file late after having received an incorrect error code that could not be resolved when attempting to file on or before their tax filing deadline.

To be eligible for relief, the CRA requires an impacted customer must have attempted to submit the return electronically on or before April 30th, received the specific error code, and was unsuccessful in resolving the error code despite taking appropriate action.

You can also print and mail the paper file directly to CRA. Here is information on CRA mailing addresses:

https://www.canada.ca/en/revenue-agency/corporate/contact-information/where-mail-your-paper-t1-retur...

We are continuing to provide updates here about resolutions and workarounds for other unresolved CRA system errors.

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CRA system error codes affecting your ability to file.