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.
- What Is a Frustrated Contract?
- Understanding the Doctrine of Frustration
- How Does Frustration Differ from Other Legal Concepts?
- What Is Not Considered Frustration in Law?
- What Happens When a Contract Is Frustrated?
- Special Case: Frustration of Employment Contracts
- What Legal Documents Help Manage or Prevent Frustration Risks?
- Key Takeaways
Contracts are the foundation of almost every business relationship – from hiring staff to signing supply agreements, leases, or customer contracts. We rely on contracts to give certainty, outline obligations, and protect our rights. But what happens if an unexpected event occurs that neither party could have foreseen, making it impossible to carry out the contract as agreed? This is where the concept of a "frustrated contract" comes into play under Australian law.
Understanding frustration in contract law can help you navigate unexpected events calmly and protect your business from further risk or expensive disputes. In this article, we’ll cover what a frustrated contract is, explain the doctrine of frustration, discuss what to do if frustration might affect your business, and help you manage the situation legally and practically. If you find yourself dealing with a contract that suddenly can’t be performed, read on to learn the key steps and how Sprintlaw can help you through the process.
What Is a Frustrated Contract?
Put simply, a frustrated contract is a contract that can no longer be performed because something unexpected and beyond either party’s control has happened. This event must be so significant that it radically changes what the parties agreed upon – so much so that insisting on performance would be unreasonable or impossible. Under Australian law, this is governed by the doctrine of frustration.
For example, imagine you run an events business and have a contract to deliver sound and lighting services for a concert. If a sudden government lockdown prohibits all public gatherings, the event cannot go ahead. Here, the contract may be considered "frustrated" because the state of the world has changed so fundamentally that performing your side of the bargain is now impossible – through no fault of your own.
Understanding the Doctrine of Frustration
The doctrine of frustration is a legal rule that automatically ends a contract if, through no fault of either party, an unforeseen event makes it:
- Impossible to perform; or
- Radically different from what was originally agreed
Frustration is not about minor inconveniences or rising costs – it’s reserved for extreme circumstances. The law assumes both parties took on the normal business risks when agreeing to the contract. But where something truly unforeseen and uncontrollable occurs, frustration allows the contract to be set aside fairly.
Classic examples of frustration include:
- Physical destruction of subject matter (e.g. a venue burns down before an event)
- Change of law making the contract illegal
- Government orders or emergencies shutting down activities
- Serious illness or death making personal performance impossible (e.g. entertainment talent, unique consultants)
It’s important to note – frustration cannot apply if the event was:
- Foreseeable or could have been provided for in the contract
- Caused by one of the parties themselves
- Merely makes the contract less profitable, more expensive, or harder (but not impossible) to perform
If frustration applies, the contract is automatically ended ("discharged") at the time of frustration. Neither party is at fault, and future obligations are cancelled.
How Does Frustration Differ from Other Legal Concepts?
Frustration is often confused with other contract law principles such as:
- Force Majeure Clauses: These are specific contract terms that detail what happens if certain events like natural disasters, strikes, or pandemics occur. If your contract covers the event in question through a force majeure clause, the clause usually takes precedence over the ‘frustration’ rule.
- Breach of Contract: If a party simply fails or refuses to perform (and the contract isn’t impossible), this is a breach – not frustration. Rights and remedies are different.
- Termination by Agreement: Sometimes both parties mutually agree to end or change a contract if something unforeseen happens – this isn’t the same as legal frustration.
If you’re unsure whether your contract is frustrated, you can read more about ending a contract through mutual agreement, termination clauses and frustration of contract.
What Is Not Considered Frustration in Law?
It’s important to understand that not every hardship or unexpected event leads to a frustrated contract. Common examples of what is not frustration in law include:
- Delays or supply chain disruptions that can be managed with extensions or renegotiation
- Increased costs, inflation, or change in market demand
- Lesser performance difficulties where the core agreement is still possible
- Risks the parties should have foreseen (e.g. weather events in a region known for cyclones)
If you’re dealing with these kinds of issues, it may be necessary to rely on your contract’s dispute resolution process or seek a variation in terms, rather than frustration. For more on contract management and variations, see our guide to changing a contract.
How Do You Know If Your Contract Is Frustrated?
Determining whether a contract is frustrated depends on:
- The wording and structure of the contract itself (does it address this kind of event?)
- The nature of the unforeseen event and whether it makes performance impossible or radically different
- Whether either party foresaw or caused the event
Australian courts apply strict rules to frustration. Each case is unique, so you need to look at the contract, the event, and the impact. If you suspect your contract can’t be performed for reasons out of your control, it’s a good idea to get legal advice early.
Example Case:
Let’s imagine you have a catering contract for a large wedding in New South Wales that is suddenly cancelled due to new COVID-19 restrictions – gatherings of this size are banned by law. The contract did not contain a force majeure clause covering pandemics, and neither party caused or could have foreseen this disruption. Here, frustration is likely to apply.
What Happens When a Contract Is Frustrated?
When a contract is frustrated:
- The contract ends automatically at the point of the frustrating event; there is no need for a formal termination by either party.
- Future obligations are wiped – neither side is legally required to perform what remains undelivered after the event of frustration.
- Past obligations may remain – if a party has already paid or provided a service, the right to recover or keep those benefits depends on the particular facts and (sometimes) the Frustrated Contracts Act in your State or Territory.
Some States, like New South Wales and Victoria, have legislation dealing with frustrated contracts. These laws can allow for the return of money paid, compensation for part services, or adjustment of losses. If you’re unsure where you stand, you may want advice on the rules of contract law in your specific State.
Managing a Frustrated Contract: Key Steps for Business Owners
Facing a contract you can no longer perform can be stressful, but with the right steps, you can minimise risk and maintain good business relationships. Here’s how to manage frustration in law:
1. Review the Contract Carefully
Check for any force majeure, termination, or variation clauses. See whether the contract addresses the event in question (e.g. pandemics, changes in law, unforeseen emergencies) and what procedures you must follow.
- If the contract covers the event, follow the process outlined (notice requirements, timeframes, potential remedies).
- If the contract is silent, the doctrine of frustration may apply.
2. Assess the Nature and Impact of the Event
- Is performance truly impossible, or simply delayed or more difficult?
- Is the event outside both parties’ control?
- Does it radically alter the contractual obligations?
Only severe, unforeseen interruptions generally count as frustration.
3. Seek Legal Guidance Early
Because frustration rules are strictly applied, it’s smart to speak to a business lawyer before declaring a contract frustrated or refusing to perform. A misstep could expose you to breach of contract claims.
A qualified lawyer can help you interpret the contract, review relevant facts, and advise on the best path forward. They can also help draft communications to the other side if needed. To get started, check out our tips on finding the right business lawyer.
4. Communicate With the Other Party
- Be transparent and proactive – let the other party know as soon as you believe frustration may apply.
- Work together to reach a mutual understanding wherever possible (e.g. agree to end the contract, refund money, or resolve outstanding matters).
- If the facts are clear, you may be able to confirm frustration and move on amicably.
- If there is a dispute, stick to written communication and seek advice if needed. Avoid making assumptions or accusations.
5. Consider Renegotiation or Variation
Sometimes, what first appears as frustration can be managed by a temporary variation or mutual agreement. For instance, can contract obligations be paused or modified? Formalising this with a varied or redrafted agreement can help keep the relationship alive for the future.
6. Prepare for the Next Time: Drafting Strong Contracts
Many businesses learned during the pandemic how important it is to include clearly worded force majeure and frustration clauses in all new contracts. This helps set expectations and gives a roadmap for next steps if something unexpected occurs.
- Include clear definitions of what counts as a force majeure event (e.g. natural disasters, government shutdowns, epidemics)
- Detail procedures for notice, suspension, renegotiation, or termination
- Cover what happens with deposits, part-performance, refunds, or expenses already paid
If your business relies on contracts, investing in high quality contract drafting now can save you major headaches in the future.
Special Case: Frustration of Employment Contracts
Frustration doesn’t just happen in supplier or event contracts. Employment agreements may also be frustrated if, for example, a worker becomes permanently unable to perform their work due to severe illness, injury, or changes in law (such as visa cancellation).
In these cases, the employment relationship ends automatically and neither side is "terminated" in the usual sense – it's not a redundancy, nor a dismissal for cause. Still, there are risks, so before treating an employment contract as frustrated, speak to an employment law expert to avoid unfair dismissal claims.
It's also important to make sure any termination or exit process follows Australian employment law requirements, including proper documentation and communication.
What Legal Documents Help Manage or Prevent Frustration Risks?
Having the right documents can put your business in the best position to manage frustration or prevent disputes. Some key documents include:
- Force Majeure Clauses: Contract terms specifying what happens if certain major events disrupt obligations. These can override general frustration law and provide certainty.
- Variation or Amendment Agreements: Written agreements to lawfully change contract terms if something unforeseen occurs – preventing disputes down the line.
- Termination Letters or Deeds: To formally record the ending of a contract, and (if appropriate) set out how obligations are finalised, such as refunds and the return of goods.
- Clear Communication Templates: Standardised email or letter wording to communicate about suspected frustration events, preserving your legal rights.
Not sure which documents your business needs? Our lawyers can help review, draft, or update your contracts to ensure you're protected. You can also read more in our guide on the essential legal documents for your business.
Key Takeaways
- A frustrated contract occurs when an unexpected, uncontrollable event makes performance impossible or radically different – the contract ends automatically, and future obligations are wiped.
- The doctrine of frustration only applies in extreme, unforeseen cases (not just inconvenience, rising costs, or foreseen risks).
- Assess whether your contract is frustrated by looking at the contract wording, the event, and its impact – legal advice is strongly recommended.
- Always communicate transparently and try to reach a mutual agreement with the other party where possible.
- Well-drafted contracts with clear force majeure and variation clauses make it easier to manage unexpected events.
- Employment contracts can also be frustrated, but special rules apply – handle with care to avoid breaching Fair Work obligations.
- Seeking legal advice early can prevent disputes, protect your business, and help you negotiate the best outcome after a frustration event.
If you’d like a consultation on frustrated contracts – or help updating your business contracts to manage frustration risk – you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








