Undertaking as to disclosure
The Undertaking as to disclosure is filed by each party in Federal Circuit and Family Court family law cases before the first court date. Independent children's lawyers do not file one.
Word document from Federal Circuit and Family Court of Australia's website.
DraftOur fillable copy of this form has not been through editorial review yet. Check it against Federal Circuit and Family Court of Australia's current form before you rely on it.
- Format
- Word (DOCX)
- Category
- Court form
- Version
- vdad3eebb
- Last verified
- 4 October 2026
Federal Circuit and Family Court of Australia · Federal Circuit and Family Court of Australia (Family Law) Rules 2021

For law practices: this form maps to the published matter-field vocabulary, so your practice management system fills it from your matter data - on your own machine. Practice management systems can fetch and assemble it through the document assembly API.
What the Undertaking as to disclosure is for
Rule 6.02 of the Federal Circuit and Family Court of Australia (Family Law) Rules 2021 requires each party, but not an independent children's lawyer, to file a written notice in the approved form stating that they have read section 71B or 90RI of the Family Law Act 1975 and Parts 6.1 and 6.2 of the Rules, that they know their duty to give full and frank disclosure, and undertaking that they have complied and will continue to comply with it. The notice must be filed before the first court date unless the court orders otherwise (r 6.02(4)). Making a statement or signing an undertaking that the party knows, or should reasonably have known, is false or misleading in a material particular is an offence (r 6.02(2)), and breach may also be a contempt.
When you need it
- You are a party to a parenting or financial proceeding in the Federal Circuit and Family Court (the duty of disclosure applies to both, r 6.01).
- You are approaching the first court date and have not yet filed your undertaking.
- Independent children's lawyers do not file one.
How to fill it in
- 1
Heading
Mark the court and give your client ID, the file number and the next court date.
- 2
Part A: your name
Give your family and given names as used now.
- 3
Part B: read the notice and undertaking
Before signing, read (or have read to you) s 71B (marriages) or s 90RI (de facto relationships) of the Family Law Act if property is involved, and Parts 6.1 and 6.2 of the Rules. Part B confirms you have done so, understand your duty, have complied and will keep complying until the case ends.
- 4
Sign with a witness
Sign and date the undertaking in front of a witness, who signs and prints their full name.
- 5
Part C: lawyer's certificate
If you have a lawyer, they sign the certificate confirming they explained the undertaking and the consequences of breaching it.
Filing, lodging and service
- File before the first court date unless the court orders otherwise (r 6.02(4)).
- eFile on the Commonwealth Courts Portal; if you cannot eFile, file at a registry.
- Serve a copy on the other party or parties by ordinary service.
Common mistakes
- The duty continues to the end of the case (r 6.01(2)). If new documents or a change in circumstances come up later, disclose them.
- False or misleading undertakings carry a penalty of 50 penalty units under r 6.02(2), in addition to contempt and costs consequences.
- In financial cases, disclosure includes tax returns, superannuation information and business records listed in r 6.06.
Frequently Asked Questions
When do I file an undertaking as to disclosure?
Before the first court date, unless the court orders otherwise (r 6.02(4)).
What does full and frank disclosure mean in family law?
Each party must give the court and every other party all information relevant to the case in a timely way, from the start of the proceeding until it ends (r 6.01). In property cases ss 71B and 90RI of the Family Law Act set out the duty.
Checked against the official sources on 26 October 2026
- Federal Circuit and Family Court of Australia (Family Law) Rules 2021 rr 6.01, 6.02, 6.06
- Family Law Act 1975 (Cth) ss 71B, 90RI
- FCFCOA - Undertaking as to disclosure
- FCFCOA - Undertaking as to disclosure (Word form)
General information about the form, not legal advice about your matter. Rules and forms change: if anything here differs from the court or agency's current instructions, theirs apply.
Field map
3 boxes on the Undertaking as to disclosure fill from your matter. 2 are for you to complete: ticks, signatures and anything that needs judgement.
- Client
- Client full name(s)
- Operator
- Operator signature (image), User Full Name (first + surname)
Matter plans that use this form
- Adult Child Maintenance (Applicant)
- Parenting Orders (Applicant)
- Application for Sole Parent Passport or Travel Order (Applicant)
- Child Recovery Order (Applicant) - Australia
- Dispensation of Service (Applicant)
- Location and Commonwealth Information Orders (Applicant)
- Location and Commonwealth Information Orders (Applicant) - Initiating Application - No Active parenting proceedings
- Parenting Orders (Applicant) - Grandparent or Third-Party Application
- Registration of Overseas Parenting Orders (Applicant) - Non-Prescribed Jurisdiction - Mirror Orders Pathway
- Relocation Orders (Applicant)
- Spouse and De Facto Maintenance Application (Applicant)
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