How to make a complaint

What to do before making a complaint

  1. Understand what we do and who we can and can't investigate.
  2. Check if we are the right agency in Victoria to complain to (we refer many complaints to the appropriate agency).
  3. Be clear on who you are complaining about.
  4. If you have already complained to another agency, have those details ready.
  5. Understand your privacy options.
  6. Understand what happens to your complaint.
  7. If you're calling us, grab a pen and paper.

Do you have to notify IBAC? Victoria Police and heads of public sector bodies must notify IBAC of suspected corruption.

Make a complaint

Make a complaint about public sector corruption or police misconduct to IBAC using our secure online form.

Using this form ensures you provide IBAC with the necessary information to assess your complaint.

Submit complaint

Provide information

Provide information about public sector corruption or police misconduct to IBAC via our secure online form.

This is a way to give IBAC information when you don’t want to make a formal complaint.

Submit information

Other reporting methods

If you are unable to complete IBAC’s online form, please download the complaint form in PDF format [409KB], complete and return by email to:

For further information please contact 1300 735 135.

Note: All complaints must be provided in writing and are not accepted over the phone.

Services for people who are deaf, hearing or speech impaired

If you are deaf, or have a hearing or speech impairment, please contact us through the National Relay Service (NRS):

  1. TTY users phone 1800 555 677 then ask for 1300 735 135.
  2. Speak and Listen users phone 1800 555 727 then ask for 1300 735 135.
  3. Internet relay users connect to the National Relay Service (NRS) and ask for 1300 735 135.

Services for people who need an interpreter or translations

The Translating and Interpreting Service (TIS) has interpreters in more than 120 languages and dialects.

To use this service please phone either:

  • us on 1300 735 135 or
  • TIS directly on 131 450

Download IBAC information sheets in other languages.