Home | Australian Taxation Office

Individuals and families

Tax and super information for individuals and families.

Businesses and organisations

Tax and super information for business and organisations, including not-for-profits.

Tax and super professionals

Information for tax and super professionals.

Popular topics

Online services for agents

Online services for agents (OSFA) is a secure system for registered tax and BAS agents and their authorised staff.

Tax file number

How to apply for a tax file number (TFN), update your TFN details, where to find your TFN and what to do if it's stolen.

How to pay

How to pay us including the easiest ways to pay, other options, details you need and what to do if a payment is missing.

Create a myGov account and link it to the ATO

How to create a myGov account and link to the ATO as an individual or sole trader.

Calculating your CGT

How to calculate your capital gains tax (CGT), including how to use capital losses and work out your cost base.

Withdrawing and using your super

When and how you can access your super and whether you need to pay tax on withdrawals.

It's your tax and super in your pocket

Download the ATO App today.

Protecting your personal identifying information - Standard card

Don't let a scammer piece together your identity

How to protect your information from falling into the wrong hands.

Natural disaster support image

Natural disaster support

How we can help if you’re affected by a natural disaster like a bushfire, flood, storm, cyclone or drought.

Ready for business - ato.gov.au standard card

Starting your small business journey?

We’ve got guidance, tools and tips to help you get your tax and super right from the start.

How we can help

Online services

Use online services to access tax and super records. Find technical support, systems advice and online security tips.

Online services

Calculators and tools

Find calculators and tools to help you with your tax and super. You can filter results by audience, topic and year.

Calculators and tools