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Applying for a Tax File Number (TFN)

If you're an Australian resident, you can apply for a TFN online.

Note: This application process is for Australian residents only. If you're a permanent migrant, temporary visitor or living outside Australia, visit the Australian Taxation Office (ATO) website for information on how to apply.

How to apply in 3 steps

Step 1

Complete the online TFN application on the ATO website.

Step 2

Print your application summary and gather the required identity documents.

Step 3

Visit a participating Post Office with your documents, within 30 days of submitting your online application.

After you apply

You should receive your TFN within 28 days of visiting the Post Office. The ATO will send your TFN to the postal address provided in your application. 

Please wait until the 28-day processing period has passed before submitting another application.

More information

Visit the following pages on the ATO website:

You can also contact the ATO on 13 28 61 between 8am and 6pm (EST), Monday to Friday.

Explore more identity services

  • Passports and identity photos

    Apply for or renew an Australian passport and get instant passport photos at a participating Post Office. 

  • Police checks

    Apply online for a National Police Check through the QLD Police Service or WA Police Force.

  • Signature witnessing

    Get your signature witnessed quickly and conveniently, with free services at participating Post Offices.

Frequently asked questions