Received an error code when trying to file? Here’s what to do

Expected resolution date: CRA expects that they will have this corrected by April 14, 2025.

Error codes 2508, 2515, 45555, 90308, 95031, 95033, 95034, 95365, or 99915

Error issue: Multiple - search function available at CRA website: https://www.canada.ca/en/revenue-agency/services/forms-publications/publications/rc4018/chapter-2.html

Customer action: There is presently no workaround available from CRA.

Expected resolution date: If you see one of these error codes, it's due to a CRA issue affecting all tax software in Canada. We're working with the CRA to get this resolved. Please come back after April 14 to file.

Error code 21

Error issue: The Canada Revenue Agency was unable to accept your return, as your NETFILE Access code did not match our records. Please compare what you have entered with the access code shown on your notice of assessment.

Customer action: Please review your latest Notice of Assessment and ensure the access code listed on the Notice is being correctly entered. If you are entering the correct number, or you do not have an access code or copy of your Notice of Assessment please contact CRA at 1-800-959-8281 for assistance

Error code 31

Error issue: The information sent to the Canada Revenue Agency doesn't match the information currently on record, which was provided by Service Canada. If you are unable to resolve the issue after verifying your identification, for you to receive all the benefits and deductions to which you are entitled and to verify our validations, the Canada Revenue Agency needs you to file a paper return and attach all pertinent slips and receipts. The Canada Revenue Agency regrets the inconvenience. Note: Your account will be locked after five unsuccessful attempts.

Customer action: Please refer to your previous-year successfully filed tax return to confirm personal information and SIN entered. Or refer to your SIN card or letter issued by Service Canada to ensure the names entered match the information on your current tax return. If still unsuccessful, please contact CRA at 1-800-959-8281 for assistance.

Error code 32

Error issue: The Canada Revenue Agency was unable to process your return. Our records indicate you are not filing an income tax return for the first time with the Canada Revenue Agency. Please go back in your software and ensure you do not identify yourself as someone who is filing an income tax return for the first time and submit your tax return again. If you require assistance, please contact your software provider.

Customer action: You have previously filed a Canadian tax return but indicated you are a first-time filer in product. Please ensure you update your information to indicate you are not a first time filer. If you need assistance, please contact product support at 1-888-829-8608.

If you are receiving this error and are a first time Canada tax filer then please contact CRA at 1-800-959-8281 for assistance.

Error code N1

Error issue: Authentication failed. Please carefully complete all identification fields. The information sent to the Canada Revenue Agency doesn't match the information currently on record, which was provided by Service Canada. Please review your entries and make the necessary corrections. If you still get this error after your second attempt, please contact us for further details. Note: Your account will be locked after five unsuccessful attempts. contact us (https://www.canada.ca/en/revenue-agency/corporate/contact-information.html#tbl-personal)

Customer action: Please refer to your previous-year successfully filed tax return to confirm your name and SIN entered. Or refer to your SIN card or letter issued by Service Canada to ensure the name and SIN match the information on your current tax return. If still unsuccessful, please contact CRA at 1-800-959-8281 for assistance.