This icon () tells you which link takes you to the new site.
Find out how to manage your child support, estimate your income, make changes and tell us if your circumstances change.
Find out about child support agreements, myIR Secure Online Services, what to do when your income changes and what you can do when you don't agree with a child support decision.
Find out about when and how you can estimate your income, changing your income estimate, estimating your income when you live overseas and what happens at the end of the year when your actual income is confirmed.
Find out what happens if you get behind in your payments, how to avoid debt and penalties, ways we can collect debt and payment arrangements.
Find out about what you need to do if your circumstances change and how you can tell us about this.
If you don't keep up with your child support, penalties can start to add up. But talk to us and you'll find that everything gets easier from there - we might even be able to reduce the total you owe.