Most useful information for separated parents

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

How your income affects your child support

Find out how we use each parent’s income when we make a child support assessment.

  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. 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. 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. Separated parents
  2. Most useful information

Ending a child support assessment form (CS1671)

Use this form if you wish to end a child support assessment made by us.

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

The child support assessment formula

The child support assessment formula looks at your circumstances to work out how much child support should be paid.

  1. Separated parents
  2. Most useful information

Objecting to a Child Support decision form (CS1893)

Use this form to object to a child support decision we made that you disagree with.

  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. Separated parents
  2. Most useful information

Commonwealth of Australia Statutory Declaration - you are a parent of the children named form (CS4649)

Use this form to make a statutory declaration if you are a parent of the children named in an application for child support.

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Page last updated: 17 November 2025.
QC 60125