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New Member
posted Mar 16, 2025 3:32:44 PM

Getting "N1 error code" from CRA saying: "Authentication failed" when submitting with NETFILE. And I have no way to go back in the form to re-authenticate.

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1 Replies
Moderator
Mar 18, 2025 5:46:06 AM

Please verify SIN, DOB, name, address, marital status, or else contact CRA at 1-800-959-8281 for inquiries related to individuals.

 

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