Limited versus binding child-support agreements

How do limited and binding child-support agreements differ?

A limited child-support agreement generally requires a child-support assessment to be in place and does not require each party to obtain independent legal advice. A binding child-support agreement can provide greater flexibility but each party must receive independent legal advice and the required legal certificates must accompany the agreement.

Issue	Limited agreement	Binding agreement
Child-support assessment	Required	Not always required for periodic arrangements; specific rules apply, including for lump sums
Minimum payment	Annual rate generally must be at least the assessed rate	Parties may agree to different amounts, subject to applicable rules
Independent legal advice	Not required by the agreement type	Required for both parties
Duration and ending	May be ended through specified pathways, including after three years in certain circumstances	More restricted termination pathways
Non-cash expenses	Can address items such as school fees or health insurance	Can address periodic and non-periodic payments
Flexibility	Moderate	Greater, with greater need for careful drafting and advice

What can an agreement cover?

An agreement may address periodic payments and expenses such as school fees, health insurance or medical costs. Drafting should explain how expenses are approved, paid, evidenced and adjusted over time.

Why are binding agreements more demanding?

A binding agreement may operate for a long period and can be difficult to end merely because circumstances change. Each party needs separate legal advice about its effect, advantages and disadvantages. Services Australia requires the relevant legal certification.

Issues to address clearly

• payment amount and frequency;
• indexation or review;
• school and extracurricular expenses;
• health and insurance costs;
• collection method;
• late or missed payment;
• change of care arrangements;
• overseas relocation;
• effect on Family Tax Benefit;
• duration and termination; and
• interaction with an assessment or court order.

Example

Parents agree that one parent will pay school fees directly. The agreement should identify the school, what fees are included, whether extras require consent, how receipts are handled and whether the payment reduces periodic child support.

Next step: Confirm the current assessment and financial circumstances before selecting or drafting an agreement.

Primary source: Services Australia child-support agreement guidance, checked 22 July 2026.