Child Support online account help - Extend child support for child turning 18
Instructions on how to extend child support for a child turning 18 using your Child Support online account.
The child support assessment formula
The child support assessment formula looks at your circumstances to work out how much child support should be paid.
Learning about child support
Information to help you decide the type of child support arrangement that’s right for your family. There’s help to calculate and apply for child support.
Child Support online accounts terms and conditions
These terms and conditions govern how you use Child Support online accounts.
Child support care percentage estimator
The care estimator is a tool that calculates your care percentage.
Statement of financial details for debt repayment form (CS4645)
Use this form to provide a statement of your financial details so that we can work out a payment arrangement for you to pay your overdue child support.
Parenting plans for child support assessment
A parenting plan is a written agreement with the other parent. It sets rules for things like how much time the children will spend with each parent.
Paying child support by Child Support Collect
There are different ways you can make child support payments when you use Child Support Collect.
Basic child support formula
This formula is for parents with only one child support assessment.
Details of your child’s care arrangements form (FA012)
Use this form to provide information about your child’s care arrangements.