You can lodge a complaint with us anytime by completing our online Complaint Form.

You may also call us on our complaints line on 1300 44 88 29 Monday to Friday, between 9am-4pm Sydney time.

If you are calling from overseas, please dial +61 2 7209 2946. Please be advised that you may be charged international call costs when calling us from overseas.

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

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

If you have a tax enquiry, please contact the ATO

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 (per 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.

Apart from the local call cost these are free services for you.