Most useful information for separated parents

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

Paying child support when you live outside Australia

We’ll try to contact you to discuss your payments and check your Australian assessment is correct and reflects your circumstances.

  1. Child support assessment
  2. Who can get an assessment

Reciprocating jurisdictions and residency for child support

We have arrangements for child support with a number of countries. We call these reciprocating jurisdictions.

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

Child support assessment period

A child support period is the amount of time an assessment covers. It can be up to 15 months.

  1. Separated parents
  2. Most useful information

Child over 18 in full time secondary education form (CS2716)

Use this form to extend child support to the end of the school year before your child turns 18.

  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

Notice of withdrawal of application for a child support assessment form (CS1669)

Use this form to withdraw an application for assessment of child support at any time before the Child Support Registrar accepts the application.

  1. Child support assessment
  2. Who can get an assessment

Proving parentage for a child support assessment

To get a child support assessment you must be a legal parent or non-parent carer. There are different ways you can prove this.

  1. Separated parents
  2. Separating

Guide for newly separated parents

A list of tasks you may want to do when going through separation.

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.

  1. Separated parents
  2. Most useful information

Details of your child’s care arrangements form (FA012)

Use this form to provide information about your child’s care arrangements.

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Page last updated: 17 November 2025.
QC 60125