Office of the Taxpayers' Ombudsman

Canada Post and potential work disruption

Here are the options to submit a service complaint to the OTO in the event of a work disruption at Canada Post:

  • Online: submit your service-related complaint online using our electronic complaint form.
  • Fax: complete and print the Taxpayers' Ombudsman – Complaint Form and fax it with any supporting documentation to 1-866-586-3855, or 613-941-6319 (outside Canada and the United States).

If you have questions, call us at 1-866-586-3839.

What we do

The Office of the Taxpayers' Ombudsman (OTO) works to enhance the Canada Revenue Agency's (CRA) accountability in its service to, and treatment of, taxpayers and benefit recipients through independent and impartial reviews of service-related complaints and systemic issues.

Submit your complaint

If you feel you have not received fair and professional treatment to which you are entitled from the Canada Revenue Agency (CRA), the Office of the Taxpayers' Ombudsman (OTO) is here for you. In order for us to address your matter, please submit your service-related complaint today.


A message from the new Taxpayers’ Ombudsman is now available. Visit the Message from the Ombudsman section. [2015-07-07].

The Taxpayers' Ombudsman has published his seventh Special Report, "Donor Beware" which examines the sufficiency of the Canada Revenue Agency's warnings about questionable tax shelter schemes. To read the report, visit our Special Reports section. [2014-03-19]

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