Submit a complaint
Potential postal service disruption – October 2018
Please be advised that mail delivery of incoming and outgoing correspondence with the Office of the Taxpayers’ Ombudsman may be impacted by the postal service disruption. If you have any questions, please call us at 1-866-586-3839.
Personal information such as your social insurance number or personal tax details should never be sent to the Office of the Taxpayers' Ombudsman.
Complete and print the Taxpayers' Ombudsman – Complaint Form and mail it along with any supporting documentation to:
Office of the Taxpayers' Ombudsman
600-150 Slater Street
Complete and print the Taxpayers' Ombudsman – Complaint Form and fax it along with any supporting documentation to 1-866-586-3855 or 613-941-6319 (outside Canada and the United States).
Do you have questions or need help?
If you need help completing the complaint form or would like to discuss the details of your service-related issue, call us at 1-866-586-3839.
You can also order printed copies and multiple formats of the Taxpayers' Ombudsman – Complaint Form (PDF), such as large print, Braille, audio, and etext (accessible electronic text), by calling 1-866-586-3839.
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