Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Running a business in Australia means entering into contracts – with customers, suppliers, employees, or landlords. Most of the time, these contracts do their job: everyone delivers on their promises, and business keeps moving. But what happens when something unexpected crops up that makes it literally impossible to keep your side of the bargain? This is where the concept of frustration of contract comes in.
In uncertain times – whether it's global disruption, natural disasters, or personal tragedy – understanding your options when a contract can’t be performed is crucial. Business owners often ask: What is frustration of contract? How does it apply? Can it be used to end an agreement, and are there risks involved?
In this guide, we’ll walk you through exactly what frustration of contract means in Australian law, when it can be applied, what you should consider for your own business, and the practical steps if you find yourself in this situation. If you’re feeling worried about unexpected events derailing your contracts, keep reading – we’re here to explain how to protect your business the smart way.
What Is Frustration of Contract?
Frustration of contract is a legal concept that allows a contract to end automatically when an unforeseen event occurs, making it impossible (or radically different) for one or both parties to fulfil their obligations. Essentially, frustration means the contract can’t go ahead as planned through no fault of anyone involved.
Under Australian contract law, a contract is “frustrated” when:
- An unexpected event occurs after the contract was signed,
- The event is not the fault of either party,
- The event makes it physically or legally impossible to perform the contract, or substantially changes what the parties originally agreed.
This means frustration is a legal escape hatch – but only when certain strict criteria are met. Just because a contract becomes harder or less profitable doesn’t automatically mean it's frustrated. It’s a high threshold. The law is very clear: mere inconvenience, delay, or extra cost usually isn’t enough.
Examples of Frustration of Contract
To make things clearer, here are some common examples where frustration might apply:
- A venue hired for a one-off event burns down before the event (making performance impossible);
- New laws or government restrictions make the contract illegal (such as sudden COVID-19 lockdowns forbidding trade);
- An employee under contract is permanently incapacitated in an accident and can’t work;
- A unique item being sold is destroyed before delivery, with no fault of the seller.
In all these cases, the event was unforeseen, nobody’s “fault”, and the contract can no longer be carried out as promised.
How Does Frustration of Contract Work in Australian Law?
Frustration of contract is grounded in common law – that is, law made by judges in court cases. It has also been supplemented in some states by specific statutes, known as the frustrated contracts act (such as the Frustrated Contracts Act 1978 (NSW)).
When a contract is frustrated under Australian law:
- The contract is automatically terminated at the point of frustration; no further obligations need to be performed by either party from that point onwards.
- Rights or obligations already accrued before frustration (e.g., money already paid or work already completed) generally stay in place, unless a statute changes this.
- Neither party can claim damages purely for the other’s failure to perform after the frustrating event.
It’s important to know that frustration doesn’t require someone to be “at fault” or to have breached the contract. It applies specifically when circumstances have genuinely changed so much that enforcing the contract would be unfair or impossible.
The Frustrated Contracts Act
Some states, such as New South Wales, have enacted a Frustrated Contracts Act to tweak or clarify the general rules. For example, the Frustrated Contracts Act 1978 (NSW) sets out what happens to money paid or benefits received by either party before the frustrating event. These state-based laws mean remedies can be a little more flexible, such as requiring parties to refund money or compensate for partial performance, rather than simply letting each side walk away with nothing further owed.
If you’re dealing with a contract frustration issue, check if your state has a relevant Act and what rules apply to your specific situation – or speak to a contract lawyer for advice.
When Does Frustration Apply? Key Requirements
It’s tempting to think you can use frustration whenever things get tough. The reality is, frustration is only triggered when all of the following apply:
- Unforeseeable Event: The event wasn’t contemplated by the contract and genuinely couldn’t have been reasonably predicted at the time it was made.
- No Party at Fault: The frustrating event must not be the result of either party’s actions, negligence, or choices.
- Makes Performance Impossible or Radically Different: It’s not enough for a contract to be harder or less convenient. The event must make it physically or legally impossible, or fundamentally change the nature of what was agreed.
- No Applicable Force Majeure Clause: Many contracts now have force majeure clauses which are designed to cover unforeseen events. If your contract includes a force majeure clause that “covers” the scenario, the clause will usually apply instead of frustration at law.
If any of these elements are missing, a court won’t find the contract is frustrated – even if business is tough, or the agreement is no longer profitable for one side. This is why it’s important to carefully consider the facts of each scenario.
What Frustration Doesn’t Cover
Just to be clear, frustration does not apply if:
- The contract is merely more expensive, delayed, or inconvenient to perform;
- The “frustrating” event could have been anticipated and dealt with in the contract or was actually provided for (e.g., by a force majeure clause);
- Performance is still possible, but is less attractive due to market changes;
- The event is the fault of one of the parties.
If you are unsure whether your circumstances meet the requirements for frustration, it’s best to get legal advice before taking steps to end a contract, as there can be serious consequences for getting it wrong.
Frustration of Contract in Employment
A less-discussed area is frustration of contract in employment relationships. This can occur if, for example, a staff member experiences a life-changing event (such as permanent illness or loss of work rights) that makes work impossible – and it's not the employer's fault or a normal part of employment risk.
Termination by frustration in employment is rare, as employment contracts are generally designed to handle changes (like temporary illness, with available leave). However, if an employee becomes permanently unable to perform their duties and there’s no realistic prospect of return, the employment contract may be frustrated. In this case, it ends automatically, and neither party owes termination notice or redundancy.
This is a complex area: getting the legal process right is important for both the employer and employee. There are also specific rules around fair termination of employment and entitlements under the Fair Work Act – so seek legal advice if you think frustration may apply to an employment contract.
What Happens When a Contract Is Frustrated?
Once a contract is frustrated, it “dies” at the point of the frustrating event with no further obligations. But what about payments, deposits, or other benefits already exchanged?
This depends on the law in your state and the contract's terms. Usually:
- Future obligations (after frustration) vanish; neither side can demand continued performance or sue for breach.
- Rights or obligations owed before frustration (such as fees for goods already delivered) are generally enforceable.
- In some cases, you may be required to refund payments for services or goods not delivered, or return property received.
For contracts governed by a Frustrated Contracts Act, the legislation may set out exactly what happens to deposits, prepayments, or partial delivery of goods and services.
How Can You Protect Your Business from the Risks of Frustrated Contracts?
While nobody can predict every unexpected event, there are practical steps you can take to reduce your risks before entering into new contracts – and plan for uncertainty in existing ones.
Include a Force Majeure Clause
Force majeure clauses are your first line of defence. They set out what happens if certain events – such as natural disasters, wars, government restrictions or pandemics – make contract performance impossible. Force majeure clauses specify which events trigger “escape” rights, which rights and obligations are paused, who bears costs, and how the contract ends or resumes.
Having a well-drafted force majeure clause means less confusion around what to do if the worst happens. Courts will usually apply the clause rather than the “frustration” rule, so it’s wise to get legal help drafting these terms in your key contracts.
Consult a Lawyer on Existing and New Contracts
Review all important contracts to check whether they:
- Have a detailed force majeure or “unforeseen events” section;
- Spell out what happens if one side is prevented from performing;
- Comply with any industry-specific rules (construction, events, retail, health, etc.);
- Are tailored to your business (don’t use unmodified templates for major deals).
Our legal experts can review your contracts and identify if they expose you to unforeseen risks, and help you redraft your contracts so you’re better protected going forward.
Keep Clear Communication with the Other Party
If an unexpected event occurs, communicate clearly and promptly with the other party. Document your discussions and any attempts to overcome the issue. This is important if you need to argue that frustration applies, or if you later need to negotiate a new arrangement.
Consider Insurance and Other Protections
While not a substitute for good contract terms, having the right business insurance (such as business interruption or property insurance) can soften the impact of events outside your control. Review your cover regularly as part of your overall risk management.
What Legal Documents Help Manage Contract Risks?
Every business should have strong legal agreements in place to clarify what happens when the unexpected strikes. Here are some key documents that help manage contract risks:
- Customer Contract or Terms and Conditions: Clearly set out your service or product obligations, limitations, and how you deal with cancellations and force majeure events. More on customer contracts here.
- Supplier or Service Agreements: Detail how delays, problems, or wildcards are handled, including processes for suspension or termination.
- Employment Agreement: Should cover what happens in cases of long-term absence or inability to work, and reference relevant employment laws.
- Force Majeure Clause: Whether standalone or within a broader agreement, this clause clarifies escape rights and procedures when unforeseen events hit.
- Privacy Policy: Essential for any business collecting customer or client information. More on Privacy Policies in Australia.
Not all businesses need every document listed here, but most will benefit from several of them. If you’re not sure what you need, seek legal advice for a tailored package.
FAQs: Frustration of Contract for Australian Businesses
Can I Just Walk Away from a Contract If Things Change?
No. You can only “walk away” without risk of legal consequences if the contract is genuinely frustrated (or allows you to terminate under a clause). If you get it wrong, you could face a claim for breach. Always check the contract and speak to a lawyer if you are unsure.
Is Frustration Different from Force Majeure?
Yes. Frustration is a legal doctrine applied by courts when no suitable contract clause exists. Force majeure is a contractual device: if your contract has a force majeure provision covering the event, you follow its process instead of relying on frustration at law.
What If Only Part of the Contract Is Impossible?
If the frustrating event only affects part of the contract, but you can still perform the rest without fundamental change, the contract might not be frustrated – it depends on the scope and significance of the change. This is a grey area that may require expert legal assessment.
Key Takeaways
- Frustration of contract is a legal principle that automatically ends a contract when an unforeseen, uncontrollable event makes performance impossible or radically different from what was agreed.
- It's a “last resort” doctrine, applying only in rare and extreme circumstances; most business challenges or financial difficulties do not count as frustration.
- Many contracts now include a force majeure clause; these often govern unforeseen events, so review your contract closely before relying on frustration at law.
- The legal process around frustration is complex, and getting it wrong can have serious business consequences, including claims for breach of contract.
- Protect your business by having comprehensive contracts, clear force majeure clauses, and regular reviews by legal professionals.
- Whenever you face a potential contract frustration situation – especially with valuable, long-term, or employment agreements – seek timely legal advice tailored to your circumstances.
If you’d like a consultation on frustration of contract, reviewing your agreements, or managing contract risks in your business, reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








