Most useful information for separated parents

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  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

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. 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

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.

  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. Child Support online accounts
  2. How to set it up

Child Support online accounts terms and conditions

These terms and conditions govern how you use Child Support online accounts.

  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. What you need to know

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.

When your circumstances change while you get child support and FTB Part A

If your circumstances change we may need to change your assessment.

  1. Separated parents
  2. Learning about child support

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.

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Page last updated: 17 November 2025.
QC 60125