Binding Death Benefit Nominations: The Superannuation Decision That Could Cost Your Family Dearly

Superannuation is, for many Australians, their most significant financial asset. Yet it is also one of the most misunderstood aspects of estate planning.

A common misconception is that your Will controls who receives your superannuation when you die. It does not.

Your super sits outside your estate and is governed by an entirely separate legal framework — one that hinges on a critical document known as a Death Benefit Nomination.

Get this decision right, and your superannuation reaches the people you intended, in the most tax-effective way. Get it wrong — or simply ignore it — and your super could end up in unexpected hands, exposed to unnecessary taxation, or tied up in a dispute for years. This article explains what binding death benefit nominations are, how they work, and why they deserve serious attention in any comprehensive estate plan.

Why Superannuation Is Not Part of Your Estate

When a person dies, their assets are ordinarily distributed according to their Will (or, if there is no Will, according to the intestacy provisions of the Succession Act 2023 (SA)). However, superannuation is held in a trust structure, and the trustee of the superannuation fund has a legal discretion as to who receives the death benefit — unless a valid nomination has been made.

The superannuation trustee is required to pay the death benefit to one or more of the following eligible recipients: a dependant of the deceased (which includes a spouse, de facto partner, child, or any person who was financially dependent on or in an interdependency relationship with the deceased), or to the legal personal representative of the deceased (that is, the executor of the estate).

If you have not made a valid nomination, the trustee exercises its discretion and pays the benefit to whoever it considers most appropriate among the eligible beneficiaries. This may not be who you would have chosen.

What Is a Binding Death Benefit Nomination?

A binding death benefit nomination (BDBN) is a written direction to the trustee of your superannuation fund specifying who is to receive your superannuation death benefit and in what proportions. When a valid BDBN is in place, the trustee is legally obliged to follow it — it removes the trustee’s discretion entirely.

This is the key distinction between a binding nomination and a non-binding (or preferred) nomination. A non-binding nomination merely expresses your preference; the trustee can consider it, but is not required to follow it. A binding nomination, by contrast, locks in the outcome — subject to its continuing validity.

The Lapsing Problem: When Your Nomination Expires

Many Australians are unaware that most binding death benefit nominations lapse after three years. Unless your fund offers non-lapsing BDBNs, your carefully considered nomination may expire without your knowledge, at which point the trustee’s discretion revives.

This creates a serious risk. Consider a person who makes a BDBN in favour of their spouse in 2020, does not renew it, and dies in 2025. The nomination has lapsed.

The trustee will then determine who receives the benefit, which may or may not align with what the deceased would have wanted — particularly if circumstances have changed, for example if the marriage had broken down in the intervening period.

Important: Check the date of your binding death benefit nomination today. If it is more than three years old, it may have lapsed. Contact your super fund to renew it or ask about non-lapsing options.

Who Can You Nominate?

A binding death benefit nomination can only be made in favour of an eligible beneficiary. Under superannuation legislation, this means:

• Your spouse or de facto partner
• Your children (of any age)
• Any person who was in an interdependency relationship with you at the time of your death
• Any person who was financially dependent on you at the time of your death
• Your legal personal representative (that is, the executor of your estate, so that the benefit flows into your estate and is distributed under your Will)

You cannot nominate a sibling, parent, or friend unless they fall into one of the above categories (for example, because they were financially dependent on you). Nominating an ineligible person renders the nomination invalid.

Directing Super to Your Estate: Pros and Cons

One option available to you is to nominate your legal personal representative, so that your superannuation death benefit is paid into your estate and distributed under your Will. This can be a useful strategy in some circumstances, but it comes with important considerations:

• Tax implications: Super paid to a non-dependant adult child (for example) may attract significant tax if it passes through the estate.

  The taxable component of the benefit is subject to tax at 15% (plus Medicare levy) in the hands of a non-dependant beneficiary. Directing super directly to a dependent beneficiary can avoid this.

• Creditor exposure: If the deceased had significant debts, super paid into the estate becomes available to creditors.

  Super paid directly to a dependant is generally protected from estate creditors.

• Family provision risk: Super that flows into the estate may be susceptible to a family provision claim under the Succession Act 2023 (SA).

  Super paid directly to a nominated beneficiary outside the estate is generally not available for such a claim, though there are circumstances in which a court may still have regard to it.

The right approach depends on your individual circumstances — the composition of your superannuation benefit, the identity and needs of your beneficiaries, and the overall structure of your estate plan.

There is no universally correct answer to whether super should be directed to your estate or to named dependants. It requires careful analysis of your specific facts by an experienced estate planning lawyer and financial adviser working together.

Self-Managed Superannuation Funds

Members of self-managed superannuation funds (SMSFs) have a greater degree of flexibility in how they structure their death benefit nominations, but also face additional complexity. The trust deed of the SMSF governs whether binding nominations are permitted, what form they must take, and whether they lapse.

Some SMSF trust deeds do not provide for binding nominations at all, leaving the remaining trustee with full discretion. Others provide for non-lapsing nominations. Members of SMSFs should review their trust deed carefully and, if necessary, have it updated to ensure it supports their estate planning intentions.

Control of the SMSF after the death of a member trustee is another critical issue. If appropriate succession provisions are not in place, control of the fund — and therefore the death benefit — may end up in the hands of someone the deceased would not have chosen. A comprehensive SMSF succession strategy should form part of every SMSF member’s estate plan.

Coordinating Your Nomination with Your Broader Estate Plan

A binding death benefit nomination does not exist in isolation. It must be considered alongside your Will, any testamentary trusts you have established, the ownership of other assets, and the overall tax position of your estate. A nomination that makes perfect sense in isolation may produce unintended results when considered in context.

For example, leaving your entire estate to your spouse under your Will, while also directing your superannuation directly to your adult children, might be entirely consistent with your wishes — or it might leave your spouse inadequately provided for and exposed to a family provision claim by the children arguing they received too little from the estate (while the super was paid directly). The interactions are complex and require holistic advice.

Practical Steps to Take Now

If you have not recently reviewed your binding death benefit nomination, or if you have never made one, the following steps are worth considering:

• Contact your superannuation fund and ask what type of nominations are available, and whether your current nomination is valid and current.
• Consider whether the nominated beneficiaries reflect your current intentions, particularly if your family circumstances have changed since you last reviewed your nomination.
• Ask your fund whether non-lapsing nominations are available, which would avoid the risk of expiry.
• For SMSF members, review the trust deed with your solicitor to confirm what nomination options are available and whether the deed needs to be updated.
• Discuss your nomination with your estate planning solicitor and financial adviser, to ensure it is coordinated with the rest of your estate plan.

Conclusion

Your superannuation may be worth hundreds of thousands of dollars — or considerably more. The decision of who receives it when you die is one of the most consequential you can make in your estate plan.

A binding death benefit nomination gives you control over that decision, but only if it is valid, current, and properly integrated with the rest of your planning.

Ignoring this aspect of estate planning is not neutral — it simply means that someone else, the trustee of your superannuation fund, makes the decision for you. For many people, that is not an acceptable outcome.

Genders and Partners has been helping South Australians plan their estates for generations. Our team can help you understand your superannuation options and ensure that your nomination works in concert with the rest of your estate plan.

Want to Find Out More?

If you would like further advice about binding death benefit nominations, superannuation and estate planning, or how to ensure your super reaches the right people, contact our friendly team.

When it comes to Wills, Probate, Deceased Estates, asset protection and estate planning in Australia, you can trust the oldest law firm in South Australia – Genders & Partners – to guide you through the tough decisions you must make for your family’s future care and welfare.

If you have any questions or would like further information, or a quick phone call to discuss, book a timeslot for a free 15-minute phone consultation.

We can help you to protect yourself and your family. We look forward to being of service.

More Superannuation and Estate Planning Resources

• FAQs
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These and many more superannuation and estate planning topics are available for discussion with the oldest law firm in South Australia. Visit our articles page to explore our complete library of estate planning resources.

DISCLAIMER: This article is intended as general information only and does not constitute legal advice. The law in this area is complex and the circumstances of each individual differ. You should obtain specific legal advice from a qualified practitioner before taking or refraining from any action. Genders and Partners accepts no liability for reliance on this article without such advice.

This article was prepared 12 June 2026.

This article was last reviewed on 12 August 2026 and does not describe or capture any changes to the law after that date.

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Rod Genders is a senior Australian lawyer specialising in trusts, Wills and estate planning, accident compensation, and probate and deceased estate administration in Adelaide and all over South Australia. His boutique specialist law firm, which was founded on 1848, is one of the oldest and most respected in Australia. Rod is also a prolific author and speaker.  Some of his articles and books on Wills, Probate, Trusts, Estate Planning, Asset Protection and Retirement Planning may be found at www.genders.com.au.

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