Contracts bind. That is their entire point: a supplier that signs a supply agreement, a landlord that grants a lease, or a founder that signs a shareholders agreement has promised to perform, and the other side has built its plans around that promise. But no contract runs forever, and Australian law recognises several distinct routes by which a contract can come to an end. Some are quiet, the contract simply runs its course. Others are confrontational, one party walks away because the other has broken its word. A few are forced on both parties by events outside anyone's control.
Termination matters to a business because getting it wrong is expensive. If you end a contract without a valid right to do so, you are the party in breach, and the counterparty can terminate against you and sue you for damages. This article sets out the mechanics of termination under Australian law: what termination actually does to a contract, the six routes by which a contract can validly come to an end, where each route commonly goes wrong, and when a lawyer is worth involving before you act.
What termination actually does
Termination is not the same as unmaking the contract. When a contract is validly terminated, both parties are discharged from performing their future obligations, but everything done before termination stands. The High Court settled the point in McDonald v Dennys Lascelles Ltd (1933) 48 CLR 457. As Dixon J put it, when a party elects to treat the contract as no longer binding, "the contract is not rescinded as from the beginning. Both parties are discharged from the further performance of the contract, but rights are not divested or discharged which have already been unconditionally acquired."
The practical consequences follow directly. Money paid for work already done stays paid. Goods already delivered stay delivered. Each party can still sue for breaches that occurred before the termination date, and the party ending the contract can claim damages for the loss of the bargain, being the difference between what the contract would have delivered and what the breach has left.
Termination is also a choice, not an automatic consequence. Where a right to terminate arises, the innocent party must elect: accept the breach and end the contract, or affirm the contract and keep it alive, usually while reserving the right to damages for the breach. Affirmation is a trap for the unwary, because once you affirm with knowledge of the breach you will generally lose the right to terminate for it later.
Ending by performance
The most common way a contract ends is the least dramatic: everyone did what they promised. Complete performance discharges the contract. Once the supplier has delivered, the customer has paid, and any incidental obligations have been fulfilled, there is nothing left to terminate and no ongoing liability on either side.
The complication is that performance generally has to be exact. Where it falls short, everything turns on how far short. Australian law distinguishes a failure that goes to the substance of what was promised from a shortfall that is minor. Where the substance of the obligation has been performed and the defect is small, the contract is treated as discharged and the shortfall is compensated in damages, rather than giving the innocent party a right to walk away. Disputes over this boundary are routine in construction and fit-out work, where a builder's work is rarely perfect and the customer is often tempted to treat imperfection as a right to terminate.
Ending by agreement
Because the parties created the contract, they can end it, and agreement is the broadest route to termination. It takes several forms:
- Express termination clause: The contract itself sets out when and how it may be ended: a notice period either side can trigger, a right to terminate for a specified default, or a stated end date. An express clause is the cleanest route, because following it requires no proof of breach or frustration, but the clause is usually construed strictly and the terminating party must comply with its conditions precisely, including any notice requirements.
- Automatic termination: Some contracts end of their own accord when a stated event occurs or fails to occur, such as a condition precedent that is not satisfied, a licence or term expiring, or a material change in circumstances. No one needs to do anything; the contract simply comes to an end.
- Mutual discharge: Once the contract is on foot, both parties can agree to call it off. No particular formality is required, even where the original contract had to be in writing, although documenting the agreement in writing is strongly advisable, because the parties' later recollections of what was agreed can diverge.
- Abandonment: Where neither party treats the contract as continuing, a court can infer from the parties' conduct that the contract was abandoned: for example, a long period in which neither party performs, demands performance, or asserts any right under the contract. Abandonment is treated as a form of mutual agreement to end the contract, but it is the riskiest version, because it depends entirely on inference. One party may later claim the contract was still alive and the other was in breach.
Agreement is also the vehicle for a novation, where the parties agree that a new party steps into the shoes of an existing party. That ends the original party's involvement while the contract itself continues.
Ending for breach
Breach does not itself end a contract. It gives the innocent party a right to choose whether to end it, and whether that right exists depends on the type of term breached.
Australian law recognises three categories of term. A condition is an essential term, one so important that any breach, whatever its actual consequences, entitles the innocent party to terminate and claim damages. A warranty is a non-essential term: breach sounds in damages only and never justifies termination. Between the two sits the intermediate or innominate term, and this is where most commercial disputes live. In Koompahtoo Local Aboriginal Land Council v Sanpine Pty Ltd (2007) 233 CLR 115, the High Court confirmed that a breach of an intermediate term justifies termination only where the breach is sufficiently serious, going to the root of the contract, such that it deprives the innocent party of substantially the whole benefit of the deal.
The classification is not always what the contract's labels suggest. Calling a clause a condition does not necessarily make it one, and courts look at the substance of the obligation and the consequences of breaching it. The stakes of getting this wrong are high: terminate for breach of what turns out to be a warranty, and you have repudiated the contract yourself. Where the classification is arguable, an early legal opinion is cheap insurance.
Ending for delay
Time can be a trap in commercial contracts. Where time is of the essence, whether because the contract says so expressly or because the nature of the transaction requires it, any late performance is a breach of condition and the innocent party may terminate immediately. That is the position for sales of perishable goods, for example, or transactions where the completion date is the point of the deal.
Where time is not of the essence, the obligation is to perform within a reasonable time, and delay gives a right to terminate only if it is serious enough to amount to a repudiation or a sufficiently serious breach of an intermediate term. In Laurinda Pty Ltd v Capalaba Park Shopping Centre Pty Ltd (1989) 166 CLR 623, the High Court upheld a tenant's termination where the landlord had failed for almost a year to deliver a lease in registrable form: the prolonged delay, viewed in the whole context, evinced an intention not to be bound by the agreement.
In practice, a party wanting to force the issue can usually make time of the essence by giving notice that performance must be completed by a specified reasonable date, and may terminate if the other party still fails to perform. The notice must be clear, and the deadline must be genuinely reasonable in the circumstances. A token deadline designed to manufacture a default will not do.
Ending for repudiation
Repudiation looks past a single breach to the party's attitude to the contract as a whole. A party repudiates when their words or conduct show that they are unwilling or unable to perform the contract substantially. It can take the form of an outright refusal to perform, a statement that performance will only occur on terms inconsistent with the contract, or conduct that makes proper performance impossible. The High Court described the concept in Koompahtoo as a party evincing "an inability or unwillingness to render substantial performance".
The test is objective: would a reasonable person in the innocent party's position conclude that the other party is not going to perform the contract as required? If so, the innocent party may accept the repudiation, terminate, and sue for damages, including damages for the loss of the bargain.
Two practical points follow. First, the bar is not trivial. Difficulty, delay, complaints, or a single breach will not usually amount to repudiation; the conduct must clearly indicate that substantial performance will not occur. Second, repudiation must be accepted to take effect. If the innocent party keeps demanding performance and does nothing else, the contract stays on foot and the right to terminate for the repudiation may be lost.
Ending by frustration
Frustration is the route for events that nobody caused. Where, after the contract is made, a supervening event occurs without the fault of either party and makes performance radically different from what the parties contemplated, the contract is terminated automatically by operation of law, and both parties are released from future performance. The leading Australian treatment is Codelfa Construction Pty Ltd v State Rail Authority of NSW (1982) 149 CLR 337, where the High Court analysed whether an injunction that prevented a tunnelling contractor from working at night and on Sundays frustrated the contract.
Typical examples include the destruction of the subject matter of the contract, a change in the law that makes performance illegal, the death or incapacity of a key person under a contract for personal services, and the failure of a specific event that the contract assumed would occur.
Frustration is deliberately hard to establish. The event must be one the contract did not allocate, and the change must be radical, not merely inconvenient or more expensive. If the contract itself deals with the risk, or the event was foreseeable and could have been guarded against, the contract is not frustrated: the parties simply bear the risk they bargained for.
The consequences of frustration are adjusted by statute in some jurisdictions. In NSW, the Frustrated Contracts Act 1978 (NSW) provides that money paid under a frustrated contract must be returned (s 12) and that obligations not yet performed are discharged (s 7). The position differs between states and territories, which is another reason a contract that may be frustrated deserves a legal check before anyone assumes where the loss will fall.
Where termination commonly goes wrong
Most termination disputes are not about whether contracts can be ended but about whether the party that ended one had the right to do so. The failures recur in the same places:
- Terminating without a right: If you terminate when no right exists, your termination is itself a repudiation. The other party can accept it, treat the contract as ended, and sue you for damages for the loss of the bargain. The party that walked away ends up paying.
- Losing the right by affirmation: A right to terminate can be lost by conduct that treats the contract as alive: continuing to demand performance, accepting further benefits, or staying silent too long after learning of the breach.
- Sloppy process: Termination usually requires clear communication. An ambiguous email demanding performance can be read as affirmation. A termination notice that does not identify the ground relied on can be ineffective, and where a clause requires notice in writing, or notice to a particular person, it must be followed exactly.
- Overlooking statute: Termination rights do not come only from the contract and the common law. Consumer transactions attract the consumer guarantees in the Australian Consumer Law, which is Schedule 2 of the Competition and Consumer Act 2010 (Cth). Under s 259, a consumer may reject goods where there is a major failure, or where a minor failure has not been remedied within a reasonable time after the consumer requires the supplier to fix it. That right operates alongside, and independently of, whatever the supplier's contract says about termination. Other regulated contracts, including retail leases, franchise agreements, employment, insurance and credit contracts, carry their own statutory termination regimes that can override or supplement the general law.
When to involve a lawyer
A lawyer adds value at three points in a termination.
Before you terminate, a short review of the contract and the facts can establish whether a right exists and which route applies: breach of a condition, sufficiently serious breach of an intermediate term, repudiation, delay, or frustration. That review is usually quick and inexpensive, and it guards against the most expensive mistake in this area, terminating without a right.
During the termination itself, a lawyer can make sure the process is watertight: the notice, the grounds relied on, the election, and any contractual conditions precedent such as a cure period, a dispute resolution step, or a notice address that must be used first.
After termination, a lawyer manages the consequences: recovering payment for work already done, defending a claim that the termination was wrongful, or quantifying damages for loss of the bargain, which requires proving what the contract would have been worth if it had run its course.
The question to answer before you terminate
Every termination dispute comes down to one question, and it is worth answering in writing before you act: on what basis are you entitled to end this contract, and have you followed the process that basis requires? Termination releases both parties from future performance but leaves what has already been done in place, and it leaves the party who terminated without a valid right exposed to the very damages they were trying to escape. The same conduct that lets you walk away cleanly makes you liable if the right was not there. A lawyer can usually confirm where you stand from the contract and the correspondence in a day or two, which is a small price measured against the cost of being wrong. If the answer is that your situation is not a clean termination, that is exactly what you need to know before you send the notice, because after you send it, the choice is no longer yours alone.