Ruan & Chui (No 3): Third Party Joinder in Property Proceedings
Picture this: Your former partner tells you the family home is really their mother's. The income you built a life on has been flowing into a company run by their sister. On paper, there's almost nothing left in their name. Does that mean those assets are out of reach in your property settlement? A 2023 decision of the Federal Circuit and Family Court of Australia says no — and shows exactly how, and when, relatives holding a spouse's property can be pulled into the proceedings themselves.
The Case: Ruan & Chui (No 3) [2023] FedCFamC1F 630
The husband and wife married in 2002, migrated to Australia in 2007, and separated in early 2017. What followed was more than five years of litigation over property spread across Australia and overseas.
But this wasn't a simple two-party dispute. The wife alleged that assets and income belonging to the husband had been parked in the names of his mother and his sister. So both women were joined to the proceedings as the second and third respondents. That joinder turned out to be decisive — but what does it actually take to join someone, and what does it mean for them once they're in?
The Test: When Can a Third Party Be Joined?
The court's rules set out a two-limb test. A person must be included as a party to a proceeding where, first, their rights may be directly affected by an issue in the proceeding, and second, their participation as a party is necessary for the court to determine all the issues in dispute.
Both limbs matter. It isn't enough that someone knows something useful or holds relevant documents — the courts have made clear that "necessary" means more than merely convenient or expeditious. If the evidence can be obtained another way, such as by subpoena, joinder generally isn't required. What the test is really asking is this: can the court finally resolve the dispute between the separating couple without making findings about — or orders against — this person's property? If the answer is no, they belong in the case.
The mother and sister in this case are textbook examples. The wife's claim was that a property registered 95 per cent in the mother's name was beneficially the husband's, and that money paid to the sister's company was really the husband's income. The court could not decide what was in the matrimonial pool without ruling directly on the mother's and sister's own asserted rights. That made their joinder necessary, not just useful.
And what does joinder mean in practice? A joined third party becomes a full party to the litigation: they file affidavits and financial statements, they can be legally represented, they are cross-examined on their evidence, they are bound by the court's findings and orders, and they carry a real exposure to costs. Joinder is also what unlocks the court's power to make orders that directly alter a third party's property rights — a power that can only be exercised where the third party has been given procedural fairness, and where the order is reasonably necessary, or reasonably appropriate and adapted, to divide property between the spouses. In other words, joinder is not a formality. It is the gateway between "your name is on the title" and "the court can take it anyway."
How the Test Played Out: Mum's Property and Sister's Company
The property registered in the mother's name looked, on paper, mostly hers — she held 95 per cent as tenant in common, the husband just 5 per cent. If the title was accurate, his share was worth $55,000. If it wasn't, more than a million dollars was in play.
The Court examined where the money had actually come from. The deposit was paid from an account in the mother's name, but that account had been receiving the husband's real estate commissions. The mother — an 84-year-old retiree with little or no income — claimed she paid the mortgage of $750 per week from savings, yet her bank accounts held around $4,420 and the evidence could not explain how she met those repayments. The Court concluded she held bare title only: the real money behind the property was the husband's.
The sister's story was similar. Shortly after separation, she registered a company that signed a "referral agreement" with the husband's real estate employer. Within a fortnight, the company received a commission payment of over $51,000 — supposedly for referrals made by a woman with no real estate credentials. Justice Christie found the company was a vehicle established by the husband to divert his own income away from scrutiny.
The Outcome: Orders That Bound the Third Party
Because the mother had been joined, represented, and given every opportunity to answer the case against her, the Court held that the requirements for a third party order under the Family Law Act 1975 (Cth) were satisfied. The property registered 95 per cent in her name was ordered to be sold, with the wife appointed trustee for the sale — and the net proceeds directed to the wife, to the complete exclusion of the mother's registered interest.
The sister's position ended differently. The Court found the money that flowed through her company belonged to the husband, but ultimately made no orders against her personally. Even so, the judge was explicit that this was no vindication: her joinder had been entirely justified. Being joined and escaping orders are two different things — she still spent years as a party to hard-fought litigation.
The end result was stark. Against a background of extensive non-disclosure and diverted funds, the wife received the whole of the equity in both remaining Australian properties.
What This Case Means for You
If you believe your former partner has shifted assets or income to their family, the joinder test is your roadmap. Ask whether the court could fairly divide your property without ruling on the relative's claimed interest. If it couldn't, that relative can be joined — and once joined, the court can make orders that bind them directly, including selling property registered in their name.
If you're the family member holding assets for a separating relative, be warned. Agreeing to hold property, receive transfers, or run a company on someone else's behalf can make your participation "necessary" in exactly the sense the rules contemplate — dragging you into years of litigation, cross-examination about every deposit in your bank account, and orders that strip away interests you thought were yours on paper.
And if you're the spouse tempted to move assets sideways, understand what happened here. The husband's strategy didn't protect his position — it destroyed it. He walked away from a long marriage with a car, his superannuation, and an overseas property of undetermined value.
Third party issues make property proceedings significantly more complex — deciding whether joinder is available, and building the evidence of who paid for what, becomes critical. At Surge Legal, we act in property settlements involving disputed ownership, family transfers, and third party joinder, from negotiation through to final hearing. If assets in your matter are held in someone else's name, get advice early.
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This article is a general summary of Ruan & Chui (No 3) [2023] FedCFamC1F 630 for information purposes only. It does not constitute legal advice. Please contact Surge Legal to discuss your individual circumstances.
