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Applying to court for a change of assessment

Child Support factsheet 3

Child Support cannot change assessments that are older than 18 months. If you need to apply to change older assessments you must apply to a court for leave. The court can either grant leave to Child Support to change the assessment, or can grant leave and then also consider the application to change (or depart from) the assessments itself.

In deciding whether to grant leave, the court must consider:

  • any reasons for your delay in seeking a change to the child support assessment and
  • any hardship that would be caused to you and the other party to the child support assessment.

Note: The court cannot change assessments that are older than 7 years. For more information contact Child Support on 131 272 or visit www.servicesaustralia.gov.au/separated-parents

Applying to court

Where can I get more help?

OrganisationInformationContact Details
Legal Aid NSW Child Support ServiceFree, independent confidential advice about child support issues.Phone: 
02 9633 9916 (Sydney and metropolitan areas)
1800 451 784 (outside Sydney)
Law Access NSWProvides free telephone legal information and referrals to other services, including to your nearest Legal Aid NSW office, Community Legal Centres, private lawyers and other organisations that can help.Chat to our team by clicking on 'Chat with us' on the right or by calling 1300 888 529 Mon to Fri 9am - 5pm.
Domestic Violence UnitA dedicated statewide service of Legal Aid NSW bringing together specialist domestic violence lawyers, social workers and financial counsellors.Phone: 1800 979 529
Child Support Service, Legal Aid NSWChild support service provides free advice and assistance to: paying parents who have to pay financial support for children after separation, and parents and carers who are or should be receiving financial support for children.Phone: (02) 9633 9916
Toll free (regional): 1800 451 784

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