What Is a Binding Death Benefit Nomination?

A Binding Death Benefit Nomination (BDBN) is a formal document you complete with your superannuation fund. It tells the trustee exactly who should receive your super benefits when you die. Unlike a non-binding nomination, the trustee must follow your instructions.

Superannuation death benefits include your accumulated account balance and any life insurance held within your super fund. For many Australians, this is one of their largest assets outside the family home.

The Superannuation Industry (Supervision) Act 1993 (SIS Act) governs how BDBNs work. Your super fund must comply with your nomination if it is valid and meets all legal requirements.

Who Can You Nominate as a Beneficiary?

Australian super law restricts who can receive your death benefits directly. You can only nominate "dependants" or your legal personal representative (your estate).

The SIS Act defines dependants broadly. They include your spouse (including de facto and same-sex partners), children of any age, people financially dependent on you, and people in an interdependency relationship with you.

If you nominate someone who is not an eligible beneficiary — such as a sibling, parent, or friend who is not financially dependent — your super fund trustee cannot accept the nomination. The benefit must be paid to your estate instead.

Binding vs Non-Binding vs Reversionary Nominations

There are three main types of death benefit nominations in Australia. Each gives a different level of control over where your super goes.

A binding death benefit nomination (also called a "lapsing" BDBN) is the most common type. It expires after three years and must be renewed. If it lapses, your fund trustee decides who receives your benefits.

A non-lapsing binding death benefit nomination does not expire. It remains in force until you change or revoke it. Not all super funds offer non-lapsing BDBNs, so check your fund's rules.

A non-binding nomination tells the trustee who you would prefer to receive your benefits, but they can override your wishes. The trustee will consider your preferences but must follow the SIS Act's rules about who is eligible.

A reversionary nomination is specific to pension accounts. It automatically transfers your pension to your nominated beneficiary (usually your spouse) when you die, without needing to cash out the account.

How to Make a Binding Death Benefit Nomination

The process for making a BDBN varies slightly between super funds. However, most funds follow a similar procedure.

First, request a BDBN form from your super fund. Many funds offer these on their website's forms and downloads page. You can also call your fund and ask them to post or email you the form.

Second, fill in the form with your personal details and your chosen beneficiaries. You must include their full name, date of birth, and relationship to you. Some funds also ask for their tax file number (TFN).

Third, sign the form in the presence of two independent adult witnesses who are not your beneficiaries. Both witnesses must sign and date the form. Your witnesses cannot be a beneficiary you have nominated.

Fourth, lodge the completed form with your super fund. Keep a copy for your records. Most funds accept scanned copies by email or through their online portal.

Tax Implications of Super Death Benefits

Understanding the tax treatment of super death benefits helps you make smarter nomination choices. The rules depend on who receives the benefit and whether it comes from the taxable or tax-free component of your super.

Your super account has two components. The tax-free component includes after-tax contributions (non-concessional contributions). The taxable component includes employer contributions, salary sacrifice, and investment earnings.

When a death benefit is paid to a tax dependant (spouse, children under 18, financial dependants), the entire benefit is tax-free regardless of the component. This is a significant tax advantage.

When paid to a non-tax dependant (adult children over 18 who are not financially dependent), the tax-free component remains tax-free. However, the taxable component is taxed at 15% plus the Medicare levy (2%), for a total of up to 17%. If the benefit is taken as a lump sum, the first portion may be taxed at lower rates.

BDBNs and Your Estate Plan

A BDBN is a critical part of your overall estate plan in Australia. Your superannuation is not automatically covered by your will. If your will says "I leave everything to my spouse," your super fund is not bound by that direction unless the benefit is paid to your estate.

Many estate planning lawyers recommend having a BDBN in place alongside your will. This ensures your super death benefits follow your wishes directly, without relying on the will distribution process.

If you nominate your estate as the beneficiary of your super, the death benefit flows into your will. Your executor then distributes it according to your will's instructions. This can be useful if you want to benefit people who are not eligible to receive super directly.

However, paying super to your estate can create delays. Estate administration can take months or years. Direct BDBN payments to individuals are usually processed within weeks.

Use our take-home pay calculator to understand how your super contributions affect your current income. Visit our superannuation guide for more on how super works in Australia.

Common Mistakes to Avoid

BDBNs are powerful tools, but they can go wrong. Here are the most common mistakes Australians make with binding death benefit nominations.

Letting your BDBN expire. Lapsing BDBNs expire three years after signing. If you forget to renew, your nomination becomes non-binding and the trustee can override your wishes. Set a calendar reminder to renew every three years.

Nominating ineligible beneficiaries. You cannot nominate your parents, siblings, or friends unless they are financially dependent on you. If you want to leave super to them, nominate your estate and update your will.

Signing without witnesses. Your BDBN must be signed and dated by you in the presence of two independent adult witnesses. Neither witness can be a beneficiary. If this requirement is not met, the nomination is invalid.

Not updating after major life events. Marriage, divorce, separation, or having a child can affect your nomination. In some cases, marriage automatically revokes your existing BDBN. Always review your nomination after significant life changes.

Frequently Asked Questions

What happens if my BDBN expires?

If your lapsing BDBN expires, your super fund trustee will decide who receives your death benefits. They will follow the SIS Act rules and any non-binding nomination you may have on file. To maintain control, renew your BDBN every three years before the expiry date.

Can I have multiple BDBNs with different funds?

Yes. If you have multiple super accounts, you need a separate BDBN for each fund. Each nomination only applies to the benefits held in that specific fund. Consolidating your super into one account can simplify your estate planning.

Does a BDBN override my will?

Yes. A valid BDBN overrides your will for super death benefits. If your BDBN says to pay your super to your spouse, but your will says to leave everything to your children, the BDBN takes priority for your super. This is because super is held in trust by your fund trustee, not as part of your personal estate.

Do I need a lawyer to make a BDBN?

No, you do not need a lawyer to complete a BDBN. Most super funds provide standard forms that are simple to fill out. However, if you have a complex family situation — such as a blended family, dependants with special needs, or significant assets — consulting an estate planning lawyer is wise.

Is a BDBN taxed differently from a will inheritance?

Super death benefits have unique tax rules that differ from other inheritances. Tax dependants receive super death benefits tax-free. Non-tax dependants pay tax on the taxable component. In contrast, assets distributed through your will (like the family home) are generally not subject to income tax.