Change of circumstances for child support
You need to let us know if your circumstances change. Some changes can affect your child support payments. Find out what to tell us and how to let us know.
Child Support Overpayments
Find out about child support overpayments and how to manage them.
Income declaration form (CS1668)
Use this form to provide an income declaration if your taxable income has not yet been assessed by the Australian Taxation Office (ATO).
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.
Fixed and minimum child support assessments
We can base some child support assessments on a fixed rate or a minimum rate.
Paying child support by non-agency payments
Paying parents can make direct payments or third party transfers that fall outside of regular child support payments.
Commonwealth of Australia Statutory Declaration - the persons named in the form are named on the birth certificate for the child(ren) form (CS4648)
Use this form to make a statutory declaration if you and the other person named in your child support application are named on the birth certificate for the child.
How your percentage of care affects your child support payments
We consider each parent or non-parent carer’s care of the child as part of our child support assessment. This is their percentage of care.
Reciprocating jurisdictions and residency for child support
We have arrangements for child support with a number of countries. We call these reciprocating jurisdictions.
Your child support rights if you disagree with your assessment or payment
What you can do if you disagree with your child support assessments or payments.