Child support is often misunderstood after separation. Parents may assume it depends on gender, parenting conflict, or informal promises. In reality, child support in Australia is primarily governed by the Child Support (Assessment) Act 1989 (Cth) and administered by Services Australia.
The system is designed to ensure children receive appropriate financial support from both parents, having regard to each parent’s income, care arrangements and the costs of raising children.
1. “Only fathers pay child support”
This is incorrect.
Child support is not based on gender. It is based on a statutory formula that considers matters including:
- each parent’s adjusted taxable income;
- the percentage of care each parent provides;
- the child’s age;
- the costs of raising children; and
- whether either parent has other dependent children.
A mother may be assessed to pay child support if she has a higher income and provides a lower percentage of care. The same applies to a father. The assessment is child-focused and gender-neutral.
2. “If I pay child support, I should get more time with my child”
Child support and parenting time are separate legal issues.
Child support deals with financial responsibility. Parenting arrangements are determined under the Family Law Act 1975 (Cth), with the child’s best interests as the paramount consideration.
A parent does not “buy” time with a child by paying child support. Equally, a parent should not withhold time with a child because of a child support dispute. Parenting arrangements and financial obligations should be addressed separately.
3. “A verbal agreement is enough”
Many parents begin with an informal agreement. This may work initially, but problems often arise when income, care arrangements or children’s needs change.
Without a formal child support assessment or written agreement, it can be difficult to prove what was agreed or enforce payment obligations.
Parents may consider:
- an administrative assessment through Services Australia;
- a limited child support agreement; or
- a binding child support agreement.
A binding child support agreement can provide flexibility beyond the standard formula, including arrangements for school fees, medical expenses or extracurricular costs. It must comply with legal requirements, including independent legal advice for each party.
4. “Child support covers every expense”
The standard child support formula generally contributes to everyday living costs, such as food, clothing, housing and general care.
It does not automatically resolve responsibility for all additional expenses, including:
- private school fees;
- tutoring or extracurricular activities;
- specialist medical treatment;
- therapy or counselling;
- dental or orthodontic costs; or
- travel costs for parenting time.
These expenses may be addressed through a child support agreement or, in some circumstances, a change of assessment application under the Child Support (Assessment) Act 1989 (Cth).
5. “Once child support is set, it cannot change”
Child support can change.
Services Australia generally reviews assessments annually using updated income information. A reassessment may also occur where there is a significant change, such as:
- a change in overnight care;
- job loss or reduced income;
- increased income;
- a new dependent child;
- changed schooling or medical expenses;
- relocation; or
- a parent’s financial circumstances no longer being accurately reflected.
Parents should keep accurate records of care arrangements, payments and child-related expenses.
Common Mistakes About Child Support in Australia
Common child support mistakes include:
- relying only on verbal arrangements;
- stopping payments because of parenting conflict;
- failing to record payments or extra expenses;
- not updating Services Australia when care arrangements change;
- assuming shared care means no child support is payable;
- agreeing to private expenses without clear terms; and
- delaying action when payments are missed.
Where child support is collected by Services Australia, unpaid amounts may be recovered under the Child Support (Registration and Collection) Act 1988 (Cth).
Child Support and the Child’s Welfare
Child support arrangements should be practical, clear and focused on the child’s needs. While child support assessments are formula-based, effective arrangements often require careful consideration of the child’s education, health, living arrangements and long-term welfare.
Clear written terms can reduce conflict and provide certainty for both parents.
How Shan Lawyers Can Assist
Shan Lawyers assists parents across Melbourne and Victoria with child support matters, including:
- child support assessments;
- limited and binding child support agreements;
- disputes about care percentages;
- unpaid child support;
- school fee and extra expense arrangements;
- change of assessment issues; and
- related parenting and property matters.
Our family law team provides clear, practical guidance to help parents understand their obligations and make informed decisions after separation.
If you need advice about child support in Australia, contact Shan Lawyers to arrange a confidential consultation. We can help you understand your legal position, explore your available options, and work towards practical arrangements that support your child’s best interests.
About the Author
Thirumalai Selvi Shanmugam is the founder, Director, and Principal lawyer at Shan Lawyers and is a leading family law specialist in Australia whose expertise is often sought by organisations and the media.
Disclaimer
This article provides general information only and does not constitute legal advice. Family law matters are fact-specific, and the options available will depend on the circumstances of each case.