ATO logo

How to lodge your complaint

There are different methods by which you can lodge a complaint with us.

Published 14 April 2026

Using ATO online services for individuals

To lodge your complaint:

  1. Sign in to your myGov accountExternal Link.
  2. Under Linked services, select Australian Taxation Office.
  3. Select Lodge a complaint from the More information section at the bottom of the page.

Using Online services for agents

Tax or BAS agents can submit a complaint using the Tax practitioner complaint online form through Online services for agents by

  • going to Reports and forms
  • selecting Forms
  • selecting Tax practitioner complaint.

You should lodge separate complaints for unrelated clients. Sending a bulk complaint may result in delays actioning your complaint.

By phone

To lodge your complaint you can phone us on 1800 199 010 between 8:00 am and 6:00 pm, Monday to Friday (local time), except national public holidays.

Specialist phone services available include:

Tax professionals

Tax or BAS agents can phone us on 13 72 86 (Fast Key Code 3, 2, 1).

Using the complaints webform

If you don't have access to our online services to submit your complaint you can lodge a Complaints webform.

Complaints lodged via the webform may take longer to process as we may need to speak to you to confirm your identity before taking action to resolve your complaint.

By post

You can write to us at:

AUSTRALIAN TAXATION OFFICE
PO BOX 1271
ALBURY  NSW  2640

If you lodge a complaint via the post, it may take us longer to respond.

Next steps

Find out what happens after you lodge a complaint.

 

QC106478