You can lodge a dispute with us anytime by completing our online Dispute Form.

For additional contact options please click the link above. 

If you have a tax enquiry, please contact the ATO.

We have information in languages other than English to help people from non-English speaking backgrounds understand the services we provide. 

Office of the Inspector-General of Taxation and Taxation Ombudsman

Postal Address:
GPO Box 551
Sydney, NSW 2001

For media enquiries and requests for speaking engagements, please email: [email protected].​​

If you have any feedback or suggestions about potential improvements to the tax system, please refer to our Register of Potential Investigation Topics​.​

Assisted Contact

If you require assistance to contact our office, you can use either the National Relay Service (for people who are deaf, have a hearing and/or speech impairment) or the Translating and Interpreting Service (for people who are unable to communicate in English).

Details for access both services are provided below.

National Relay Service:

• TTY users phone 133 677 then ask for 1300 44 88 29.
• Speak and Listen users phone 1300 555 727 then ask for 1300 44 88 29.
• Internet relay users connect to the NRS then ask for 1300 44 88 29.

Translating and Interpreting Service:

131 450 then ask for 1300 44 88 29.

Local call charges may apply.

Vulnerability Disclosure Program

The security of our online systems and the information they hold are our highest priority. We take every care to ensure that they are secure and up to date. However, we recognise that despite these efforts there may still be vulnerabilities.

We welcome engagement from the security community and we are grateful for anyone sharing their findings with us to make our system, security even stronger. Our security vulnerability program provides an avenue for you to responsibly report any potential issues or vulnerabilities with us.