Most useful information for separated parents

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  1. Child support assessment
  2. How to manage your assessment

Registering a maintenance liability made outside Australia

You can apply to register a maintenance liability made outside Australia. This lets us collect and transfer child or spousal support under Australian law.

  1. Separated parents
  2. Most useful information

Statement of financial details - reviewing your assessment form (CS4644)

Use this form to provide a statement of your financial details so that we can determine if your child support assessment should be changed.

  1. How to manage your assessment
  2. Overpayments

Recovering child and spousal support payments

How we enforce payments of overdue amounts of child support and spousal support.

  1. Child support assessment
  2. What you need to know

What ends a child support assessment

There are a number of reasons why a child support assessment will end.

  1. Separated parents
  2. Most useful information

Request to change payment collection method form (CS1979)

Use this form if you are the receiving parent and you already have a registered Child Support case with us and you want to change your collection method.

  1. Raising kids
  2. Separated parents

Managing child support

Once you have a child support assessment, there are things you need to do and resources available to help manage your child support.

  1. Top payments
  2. Child support assessment

Who can get a child support assessment

To be eligible for a child support assessment you must be the legal parent or non-parent carer of the child. You also must meet residence rules.

  1. Raising kids
  2. Separated parents

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.

  1. Child support assessment
  2. How we work out your assessment

Basic child support formula

This formula is for parents with only one child support assessment.

  1. Child support assessment
  2. How we work out your assessment

Child Support assessments for parents with second families

If you have children from a new family, we reflect this in your assessment.

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Page last updated: 17 November 2025.
QC 60125