Most people going through a separation focus on the outcome: who gets the house, how the super gets divided, what happens to the kids. Very few think about the process that makes any fair outcome possible. Duty of disclosure is that process.
Without it, neither side is working from the same set of facts. And if you’re not working from the same facts, any agreement you reach is built on incomplete information. That might feel harmless now, but it can unravel later at serious cost.
Here’s what most people assume: disclosure only matters if you end up in court. That’s wrong. The duty applies from the moment separation begins, through every negotiation, every mediation and every conversation with a lawyer. It doesn’t switch on when you file something.
Ask yourself honestly: do you know, right now, every superannuation fund your partner holds? Every account, every investment, every trust? If you don’t, you can’t know whether any deal you reach is actually fair.
This article explains what duty of disclosure means, what you have to hand over, what happens when someone doesn’t, and how to use it to protect yourself.
Key Takeaways
- Duty of disclosure is ongoing. It begins at the start of your matter and continues until everything is finalised, whether by agreement or court order.
- Superannuation is property. Every fund must be disclosed, including funds the other side doesn’t know about and self-managed super funds.
- The duty applies out of court too. Disclosure shapes every negotiation, mediation and consent order application, not just contested hearings.
- Hiding assets has real consequences. Courts can set aside agreements, make adverse findings and order costs against a party who fails to disclose.
- Getting organised early saves money. Pulling your documents together at the start reduces disputes, avoids repeat requests and can shorten the whole process.
- You can find super you don’t know about. There are formal mechanisms, including superannuation information forms, to locate accounts your ex hasn’t mentioned.
What does “duty of disclosure” mean in a family law separation?
Disclosure, in plain terms, means this: you must tell the other party everything that is relevant to sorting out your finances or your parenting arrangements. All of it. Not just the parts that help your case.
“Full and frank disclosure” is the phrase you’ll hear. It means you don’t get to cherry-pick what you share. If it’s relevant and you know about it, or have access to it, you’re expected to hand it over. That includes documents and information that might actually work against your own position.
This obligation sits inside the Federal Circuit and Family Court of Australia’s rules. It applies to every party in a family law matter, whether that matter is heading to a hearing or not. It also applies to both financial and parenting proceedings, though financial disclosure tends to be where most disputes arise.
The purpose is straightforward. The court needs accurate information to make decisions. Your lawyer needs accurate information to advise you properly. And any agreement you reach, whether in a lawyer’s office, a mediation room or at your kitchen table, should be based on what’s actually there, not on what one party decided to share.
Key Point: Disclosure isn’t a formality. It’s the foundation that every fair settlement is built on. Without it, you don’t know what you’re agreeing to.
Does duty of disclosure apply if we’re separated but not divorced yet?
Yes, immediately and completely.
Separation and divorce are different things. You can be separated for years before any divorce application is made, or you may never apply for a divorce at all if only property or parenting arrangements need to be sorted. The duty of disclosure is not tied to the word “divorced”. It begins at the start of your family law matter.
The Family Court’s rules include pre-action procedures. Before most property matters can be filed in court, parties are expected to attempt negotiation and exchange financial information. That requirement to exchange information is, in effect, the duty of disclosure starting before any court involvement.
If you are in early conversations with your ex about property, or about the children, your obligation to disclose is already live. A lawyer-negotiated settlement, a consent order application, a mediation, a binding financial agreement: all of these require the same honest disclosure as a contested trial.
Expert Tip: Don’t wait until a court date to get your financial documents together. The duty is already running. Getting organised now means fewer delays later.
What information and documents do I have to disclose in a property settlement?
The categories are broader than most people expect. Financial disclosure in property settlement covers everything that helps paint an accurate picture of the asset pool, the debts and each person’s financial position.
Here’s what that typically includes:
- Bank account statements, usually the last twelve months at minimum
- Tax returns and notices of assessment for the last two to three years
- Payslips, salary continuations or business financials if you’re self-employed
- Superannuation statements for every fund you hold
- Property valuations or council rates notices
- Mortgage statements and other loan documents
- Credit card statements and personal loan details
- Share portfolios, managed funds or investment accounts
- Any interest in a business, partnership or trust
- Details of assets disposed of in the period before or after separation
Documents that are in your possession or control are covered, not just documents the other party already knows about. That second super fund from the job you had before you were together? It’s in your control. You have to disclose it.
People most often accidentally get this wrong by assuming something is irrelevant. They don’t mention a small inheritance, a debt they’re embarrassed about, a share account that’s barely worth anything. The test is relevance to the matter, and your lawyer should make that call, not you.
Expert Tip: When in doubt, disclose and let your lawyer decide whether something is relevant. The cost of over-disclosing is nothing. The cost of under-disclosing can be significant.
How does duty of disclosure work for superannuation in a separation?
Superannuation is treated as property under the Family Law Act. That means every interest you hold in any superannuation fund must be disclosed, valued and considered as part of the property pool.
This catches people out regularly. Someone who changed jobs twice, rolled some super but not all of it, and hasn’t checked their old statements in years may have funds they have genuinely forgotten about. The obligation doesn’t disappear because you forgot.
Self-managed super funds (SMSFs) add another layer. An SMSF holds assets that need to be valued, and those assets may include property, shares or other investments. The trustee structure and any binding death benefit nominations are all relevant.
If you were the partner who stayed home, raised children and didn’t accumulate much super yourself, your first question when you sit down with a lawyer should be: what super does my ex actually have? Not what have they told me, but what can we verify?
The formal mechanism for finding that out is a superannuation information form, which can be sent through the court process to funds the other party holds. You don’t need to know the exact fund name to use it. Services Australia also operates a super search service that can help locate accounts.
Key Point: You cannot reach a fair property settlement without knowing the full superannuation picture on both sides. If you don’t know what your ex holds, that’s not a reason to settle. It’s a reason to find out.
What happens if my ex hides assets or superannuation from the court?
The Family Court takes non-disclosure seriously, and courts are experienced at spotting the signs.
Common indicators that something doesn’t add up: declared income that doesn’t match lifestyle or spending, business accounts that are difficult to access, super statements that seem low relative to years of employment, assets that disappeared or were transferred just before or after separation, and financial records that are incomplete or inconsistently dated.
If you suspect your ex is hiding assets or undervaluing what they hold, there are formal steps available. Your lawyer can request specific documents. If those requests are ignored, subpoenas can be issued to banks, superannuation funds, employers and accountants. The court has the power to compel production.
Where a court finds that a party has deliberately hidden an asset, failed to disclose a super fund or provided false information, the consequences are real:
- Costs orders against the non-disclosing party
- Adverse inferences drawn against them, meaning the court may assume the hidden asset exists and was worth what the other party claims
- Agreements or orders being set aside if they were reached without proper disclosure
- In serious cases, findings of contempt
The worst outcomes happen to people who thought they were being clever. A transferred business interest that the other party eventually traces. A second super fund that shows up in a subpoena. An inheritance quietly moved into a family trust. By the time those things come to light, the credibility damage is often worse than whatever was being hidden.
Expert Tip: If something feels off, raise it early. The formal mechanisms to find hidden assets exist, and using them promptly is far better than reaching an agreement later discovered to be based on false information.
Do I have to disclose everything, even if I think it’s not important?
Yes, and the word “think” is doing a lot of work in that question.
The problem with deciding for yourself what’s relevant is that you’re not the lawyer. A small account in your name might be relevant to liquidity. A debt you’ve had for years might affect the net pool. A trust you’re a beneficiary of, even if you’ve never received a distribution, may be relevant to your financial resources.
The test under the rules is relevance to the issues in the matter. That’s a legal assessment. What feels unimportant to you might be significant to the valuation, to the contributions argument or to an assessment of future needs.
Accidental non-disclosure happens more often than deliberate hiding. Someone doesn’t mention an old account because there’s almost nothing in it. Someone forgets they’re still listed as a beneficiary of a family trust. Someone doesn’t think to include the car loan because they figured it’s obviously included anyway. These are the gaps that cause delays, disputes and, sometimes, agreements being challenged later.
If you’re unsure whether something is relevant, include it and ask your lawyer.
Key Point: The duty covers documents and information in your possession or control. If you’re not certain something is irrelevant, disclose it.
What does financial disclosure look like in a typical property and super settlement?
Here’s what the process looks like in practice, from the first conversation through to an agreed outcome.
You come in with what you have. We identify what’s missing. At a first appointment, that usually means a practical conversation about bank accounts, property, super and debts, using whatever statements and documents you can pull together.
From there, you and your ex are each expected to produce what’s called an Annexure A, a schedule of your financial circumstances using the court’s forms. This lists assets, liabilities, income and financial resources on both sides. Each party then exchanges that information with supporting documents.
If there are gaps, those get addressed through requests, additional statements or formal mechanisms if needed. If a super fund isn’t producing information voluntarily, a superannuation information request can go through the court process. If a party is being evasive, subpoenas go to the relevant institutions directly.
By the time a settlement is being negotiated, both sides should be working from the same verified picture of the asset pool. That picture includes the family home, any other property, savings, investments, debts and the combined superannuation of both parties.
Consent orders then record the agreed outcome and are filed with the Federal Circuit and Family Court of Australia for approval. The court checks that proper disclosure appears to have occurred before it makes those orders. That check is not a formality.
Expert Tip: The cleaner your disclosure, the fewer rounds of requests you go through, and the lower your legal costs. Disorganised disclosure is one of the most common causes of matters dragging on longer than they need to.
Do parenting arrangements change what I have to disclose?
Disclosure in parenting matters has a different focus from financial disclosure, but it is just as real.
In parenting proceedings, parties are expected to disclose information relevant to the care of the children. That can include income information where child support is relevant, details of proposed living arrangements, information about health or schooling, any history of family violence, and any child protection involvement.
The nature of the obligation mirrors the financial side: you don’t withhold something simply because you think it won’t help your case. If it’s relevant to the arrangements being proposed for the children, it needs to be on the table.
Child support itself is administered through Services Australia, separate from the Family Court process. But where parenting orders and financial orders intersect, full disclosure on both sides helps make sure any arrangement is properly informed.
Where there is a history of family violence, disclosure obligations don’t disappear, but there are procedures designed to protect parties from direct contact with each other during the process. If family violence is a factor in your matter, tell your lawyer at the first opportunity.
Key Point: Disclosure in parenting matters protects children by making sure decisions about their lives are based on accurate information, not a partial picture.
When does my duty of disclosure start and when does it end?
Your duty of disclosure starts at the beginning of your matter, which in practice means from the moment you engage a lawyer, or from the point of separation if you’re trying to negotiate directly.
The pre-action procedures in the Family Court rules require parties to exchange financial information before most property matters can be filed. That means the duty is already running before any court involvement. Attending mediation, making an offer to settle, negotiating through lawyers: all of these are covered.
The duty ends when your matter is finally resolved. That means when consent orders are made, when final orders are made after a hearing, or when a binding financial agreement is properly executed. Until that point, the duty is ongoing.
That ongoing nature is important. If your circumstances change significantly during the course of a matter, you are expected to update your disclosure. A new job, an inheritance, a significant change in the value of an asset: these are things the other side is entitled to know about.
Expert Tip: Think of disclosure as a live obligation, not a one-time document exchange. If something material changes in your financial position during a matter, update your lawyer so your disclosure can be updated too.
How does disclosure affect what I’m entitled to in a property and super split?
The short answer is that without proper disclosure, you can’t know what you’re entitled to, and neither can anyone else.
Property settlement in Australia involves a four-step process: identifying and valuing the asset pool, assessing contributions, considering future needs, and checking whether the outcome is just and equitable. Every one of those steps depends on accurate information.
If one party’s super is hidden, the pool is wrong. If income is understated, the needs assessment is wrong. If a business is undervalued, contributions on both sides may be mischaracterised. Proper disclosure is not a bureaucratic hurdle. It’s the mechanism that makes the outcome meaningful.
This is particularly important if you were the partner who stayed home, managed the household or worked part-time. Your financial position going forward depends on having an accurate picture of what there is to divide. You cannot negotiate effectively, or receive proper advice, based on partial information.
Key Point: Disclosure protects you. If your ex holds significant super you don’t know about and you settle without knowing, you have agreed to a share of something smaller than the real pool. That agreement may stand.
What documents will we ask you to bring to your first appointment?
Coming prepared saves time and keeps your costs lower. At a first appointment, we’ll work through what you have and identify what’s missing, but the more you can bring, the more useful that conversation will be.
As a starting point, think about:
- Photo identification
- Recent bank statements for every account in your name, and any joint accounts
- Your most recent superannuation statements for every fund
- Two to three years of tax returns and notices of assessment
- Recent payslips or, if you’re self-employed, business financials
- Mortgage statements and any other loan or credit documents
- Council rates notices or a recent valuation if you own property
- Details of any shares, investments or managed funds
- Any existing agreements, letters or financial documents from the separation period
If you don’t have all of these, come anyway. We’ll work out what’s missing and how to get it. Coming with nothing because you didn’t have everything is the one mistake that costs more time than anything else.
If you’d like to talk through your situation before your first appointment, you’re welcome to contact the C + K Family Lawyers team for a confidential, no-obligation chat.
Expert Tip: The first appointment is a two-way exchange of information, not an examination. Bring what you have, be honest about what you don’t, and let us identify the gaps.
How long does disclosure usually take, and can it delay my settlement?
That depends almost entirely on how organised both parties are.
Where both people come to the process with their documents reasonably in order and cooperate with requests, the exchange of financial information can happen within a few weeks. Where one party is disorganised, uncooperative or evasive, it can drag on for months.
The single biggest cause of disclosure delay is people not knowing what they need to produce and not getting advice early. The second biggest cause is one party dragging their feet in the hope that the other side gives up or settles for less.
If your ex is being slow or unresponsive, there are formal steps available: letters on the record, formal requests, and ultimately subpoenas or court directions requiring production by a specific date. Using those steps promptly, rather than waiting and hoping, is almost always the right call.
Getting your own documents together quickly, even before any exchange happens, puts you in a stronger position and often shortens the overall timeline for your matter.
Key Point: Disclosure delays are usually caused by one of three things: disorganisation, evasion, or not knowing what’s actually needed. All three are manageable with the right advice early.
What will disclosure cost me, and how can I keep those costs under control?
Disclosure itself doesn’t have a fixed cost. The cost depends on how complicated your financial situation is, how cooperative your ex is, and how much lawyer time is needed to obtain, review and respond to documents.
What drives costs up is delay, repetition and disputes. If your ex refuses to produce documents and subpoenas have to be prepared and served, that takes lawyer time. If documents arrive in a disorganised format and have to be reconstructed, that takes time. If you and your ex are arguing about whether something is relevant rather than just exchanging it, that takes time.
What keeps costs down: getting your own documents together early, being clear and complete with your own production, responding to requests promptly, and not fighting about things that aren’t worth fighting about.
A proportionality check is always worth doing. The cost of pursuing full disclosure should be weighed against what’s actually at stake. Your lawyer should be having that conversation with you honestly. If you’re spending more on the process than the asset being disputed is worth, something needs to change.
Expert Tip: Ask your lawyer at each stage what a step is likely to cost and what it’s likely to achieve. Good disclosure strategy is not about producing everything possible. It’s about producing what’s needed, efficiently, so the matter can progress.
How do I find superannuation if I don’t know all the accounts?
This is one of the most common questions we hear, and it has a practical answer.
If you don’t know what superannuation your ex holds, you can apply to the Federal Circuit and Family Court of Australia for a superannuation information order. The court then writes to the Australian Tax Office, which holds data on superannuation accounts. The information is returned to the court and then to the parties.
If you’re not sure of your own accounts, because you’ve changed jobs or had periods of casual work, the ATO’s online services through myGov list all super funds associated with your tax file number. Lost super is searchable through the same portal.
For self-managed super funds, the trustee is required to produce an actuarial valuation. Your lawyer can request that, and if it’s not forthcoming, the court can direct it.
The mechanism exists precisely because super is often the asset people know least about. It being complicated or unfamiliar doesn’t excuse it from disclosure, and not knowing about your ex’s super is not a reason to settle without finding out.
Expert Tip: If you were the partner who managed the household while your ex built their career, the super gap between you may be significant. Finding out the full picture is one of the most important things you can do before any settlement conversation.
What if I’m scared that disclosing everything will be used against me?
That concern is understandable. Financial information can feel deeply personal, and handing it over to someone you’re in conflict with is uncomfortable.
Here’s what the information is actually used for: to value the asset pool, to assess contributions and to consider each party’s financial needs going forward. It is not there to judge your spending, your lifestyle or your choices.
In a negotiated settlement, the information passes between lawyers and is used to assess what a fair outcome looks like. In court proceedings, the material is placed before a judge for the same purpose. It is not a tool for humiliation, and a lawyer or judge who receives it is focused on one question: what does the property pool look like and how should it be divided.
Withholding information because you are embarrassed about debt, spending or financial choices is a mistake. That information will almost certainly come out through your ex’s disclosure, through subpoena or through the natural course of the matter. The cost of it coming out after you’ve withheld it is much higher than the cost of putting it forward yourself.
Key Point: The discomfort of disclosing is real. The cost of not disclosing is usually worse. Your lawyer’s job is to help you present your financial position clearly, not to judge it.
Can we still reach an agreement out of court if one of us hasn’t fully disclosed?
You can reach an agreement. But it may not hold.
The duty of disclosure applies regardless of whether you’re in court or not. If you’ve reached a settlement through kitchen-table negotiation, mediation or lawyer-to-lawyer correspondence, and later it comes to light that one party withheld material information, that agreement is vulnerable.
A court can set aside consent orders if it is satisfied that material non-disclosure affected what was agreed. A binding financial agreement can be challenged on similar grounds. The fact that you both signed something and both had lawyers doesn’t protect the agreement if the foundation it was built on was incomplete.
This cuts both ways. If your ex has hidden super and you’ve agreed to a settlement without knowing about it, you may have grounds to challenge that later. If you were the one who didn’t fully disclose, that agreement might be reopened at your cost.
Getting proper disclosure done before any agreement is signed is not just a legal obligation. It’s what makes the agreement durable.
Expert Tip: If you’re being pressured to settle quickly before all disclosure is complete, that is a reason to slow down, not to speed up. A settlement reached without full information is a risk, not a resolution.
How does the court check whether disclosure about super and other assets is complete?
The court doesn’t simply take the parties’ word for it.
When consent orders are filed, the court reviews the application for a just and equitable outcome. Part of that review involves looking at whether the financial picture presented appears complete. A significant imbalance in super without explanation, assets listed without proper valuations, or a settlement that appears heavily one-sided may prompt the court to look more carefully before approving.
In contested proceedings, the court has extensive powers. Subpoenas can be issued to banks, superannuation trustees, accountants and the ATO. The court can order parties to produce specific documents, attend for examination, or provide verified statements about their financial position.
Expert witnesses can be appointed to value business interests, investment portfolios or self-managed super funds where the parties can’t agree on a figure.
Where a party is suspected of hiding assets, the court can draw adverse inferences. That means the court may proceed on the assumption that the hidden asset exists and is worth what the other party claims, without the hiding party having the opportunity to put a lower figure forward.
The court also has the power to set aside orders made on the basis of non-disclosure, even after final orders have been made. There is no clean escape from a disclosure failure.
Key Point: The court has real power to find hidden assets, and it uses that power. The mechanisms are not theoretical. People have had agreements and orders set aside years after the fact when hidden assets came to light.
What are the possible penalties for failing to comply with the duty of disclosure?
The consequences are real and they scale with the seriousness of the failure.
At the lower end, a party who has been slow or incomplete with disclosure might face a costs order, meaning they pay some or all of the other party’s legal costs for the steps needed to get the information. That can be a significant sum.
Further up the scale, a court may draw adverse inferences. This means the court treats the hidden or understated asset as existing and being worth whatever the compliant party has asserted, without giving the non-disclosing party the chance to argue otherwise.
If an agreement or consent orders were reached because of non-disclosure, those orders can be set aside. The matter then returns, often years later, at considerable cost to both parties but particularly to the one who didn’t disclose.
In the most serious cases, deliberate concealment or providing false information to the court can amount to contempt. Contempt findings can carry fines or, in extreme cases, imprisonment.
The practical reality is that people who try to hide assets usually find the cost of getting caught exceeds whatever they were trying to protect. The credibility damage alone, once a court has found deliberate non-disclosure, colours everything else in the proceeding.
Key Point: There is no penalty-free way to avoid your disclosure obligations. The question is only whether you pay the price early, through honest disclosure, or later, through the consequences of being caught.
How C + K Family Lawyers guide you through disclosure
Disclosure feels overwhelming at the start of most matters. It doesn’t have to be.
When you come to us, we don’t hand you a twenty-page checklist and ask you to work through it alone. We sit with you, identify what you have, identify what’s missing, and put a practical plan in place for getting the gaps filled. That might mean requests to your ex’s lawyer, applications for superannuation information, or targeted subpoenas if something is being deliberately withheld.
We also manage the disclosure coming from the other side. We review what’s been produced, identify inconsistencies, and raise them formally when they matter. If the financial picture your ex is presenting doesn’t add up, we know what to look for and how to test it.
The goal is not to make the process longer or more expensive. It’s to make sure that any agreement you reach, or any decision a court makes, is based on the full picture. That’s what protects you now and protects any agreement you sign from being challenged later.
If you’re at the beginning of this process and you’re not sure where to start, contact the C + K Family Lawyers team for a confidential, no-obligation conversation about your situation.
Expert Tip: The clients who come out of disclosure in the best position are the ones who are organised, honest and proactive. We can help you be all three.
Frequently asked questions
Do I have to disclose debts as well as assets? Yes. The duty covers liabilities as well as assets. Credit card balances, personal loans, outstanding tax debts and mortgage balances all form part of the net property pool and must be disclosed.
What if my ex refuses to respond to disclosure requests? If informal requests are ignored, your lawyer can escalate to formal orders requiring production. If those orders are not complied with, the court can issue subpoenas directly to banks, super funds and other institutions. Continued non-compliance can result in costs orders and, in serious cases, contempt proceedings.
Is my super automatically split 50/50 when we separate? No. Superannuation splitting does not happen automatically. It requires either a consent order or a superannuation agreement to formally split a fund. The split does not have to be equal. The right outcome depends on the contributions each party made, future needs and the overall property settlement.
Can I search for my own lost super? Yes. Through myGov and the ATO’s online portal, you can see all superannuation accounts linked to your tax file number, including any unclaimed or lost super. Your lawyer can also assist if accounts appear to be missing from the picture.
Does the duty of disclosure apply to de facto couples? Yes. De facto couples who separate have the same rights and obligations in property settlement as married couples under the Family Law Act, provided the relationship meets the relevant criteria. The duty of disclosure applies in the same way.
What to do next
Disclosure isn’t the part of separation anyone looks forward to. But getting it right, early, is one of the most practical things you can do to protect your outcome, keep your costs down and make sure any agreement you reach actually holds.
If you’re not sure what you need to produce, what your ex should be giving you, or what to do if something doesn’t add up, that’s exactly the conversation to have with an experienced family lawyer.
This article is general information only and is not legal advice. Family law outcomes depend on your individual circumstances. For advice about your situation, speak with a qualified family lawyer.
About the Author
Christopher (Chris) Jones is the Principal Lawyer and co-founder of CK Family Lawyers, a Queensland family law firm. Chris advises on divorce, property settlement, parenting arrangements, binding financial agreements, mediation and domestic violence matters. After working in legal environments where clients felt depersonalised and lost in jargon, he co-founded the firm with Krystina Jones on the belief that people deserve family lawyers who genuinely care, and he works directly with his clients throughout their matters.
