If you used to be an Australian citizen, you might be eligible to resume Australian citizenship if you lost your Australian citizenship when you acquired the citizenship of another country, or renounced (gave up) your Australian citizenship.
You become an Australian citizen again on the day your application is approved. You do not need to sit the citizenship test or attend a citizenship ceremony.
Eligibility - check that you are eligible.
Documents - get your identity documents, good character documents and supporting documents.
Apply - pay the fee and apply to resume your Australian citizenship.
The fee for this application is AUD 210.
Read the information about the application fee and how to pay it before you apply.