Authentication - Help

Access code

Enter the personalized access code located on the top right corner of your notice of assessment. The personalized access code is an eight-character alphanumeric code.

Notice of assessment

If you have not received a notice of assessment, please contact the e-service Helpdesk. You should make every attempt to locate your notice of assessment before contacting us.

During peak periods of the year, you may experience some delays in reaching the e-service Helpdesk.

Postal code

Enter the postal code or ZIP code of your current mailing address. Enter it without any spaces and/or hyphens. Check your postal code on the Canada Post Postal Code Look Up site.

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