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.
If you’re signing a major contract in Australia - from a funding round to a franchise deal or a business sale - you might see a “sunset clause.” It’s a simple idea with big consequences: if certain things don’t happen by a set date, the deal can end.
For founders and small business owners, understanding how sunset clauses work will help you manage risk, keep projects moving, and avoid being locked into open-ended obligations. In this guide, we’ll explain what a sunset clause is, how it’s used in business and property contracts, what to include when drafting one, and how to negotiate, extend or enforce it in practice.
Our goal is to give you clear, practical guidance so you can make confident decisions - and know when to get legal help if something isn’t balanced or fair.
What Is A Sunset Clause (And When Are They Used)?
A sunset clause is a contractual “end date” for a condition or the entire agreement. If a specified event hasn’t happened by a stated deadline (often called the “sunset date,” “long stop date,” or “drop-dead date”), the relevant rights kick in - typically allowing one or both parties to terminate the deal and unwind any payments.
Think of it as a time limit that prevents a transaction or project from drifting on indefinitely.
In Australian commercial practice, you’ll see sunset clauses in many places:
- Investment and shareholder deals: A capital raise may be conditional on the company securing key hires or regulatory approvals by a certain date. This can be documented in a Shareholders Agreement or subscription documentation.
- Franchising: Parties might agree that if a site isn’t secured or opened within a set time, either side can exit the Franchise Agreement.
- Options and rights: An option to acquire shares or assets often lapses automatically after a defined period, typically set out in an Option Deed.
- Joint ventures and projects: If approvals, finance or key inputs aren’t obtained by the long stop date, the joint venture winds down without ongoing obligations.
- Business sale transactions: A Business Sale Agreement may include a sunset on conditions precedent (e.g. landlord consent or licence transfers). If they’re not met in time, the parties can walk away.
- Property (including off‑the‑plan): Where completion, registration or title issue must occur by a deadline, the contract may permit termination if the date passes.
In all of these, the purpose is the same: create a clear end point if preconditions or progress milestones don’t happen within a reasonable timeframe.
How Sunset Clauses Work In Business Deals
Sunset clauses are a practical risk tool. They reduce uncertainty and keep momentum. Here’s how they commonly operate across commercial scenarios.
Typical Structure
- Defined event or condition: The clause identifies exactly what must occur (or not occur). Examples: regulator approval, financial close, execution of ancillary contracts, successful pilot, minimum sales, completion of works.
- Sunset date: A fixed date (e.g. 6, 12 or 24 months from signing) or a period calculated from a trigger (e.g. six months after development approval).
- Termination rights: Who can terminate if the date passes - one party, both parties, or only the party “at risk.”
- Consequences: Refunds or release of deposits, return of documents, cessation of exclusivity, and mutual release from future obligations (often with carve-outs for confidentiality and IP).
- Notice mechanics: How a party must notify the other if they intend to terminate under the clause.
Business-Focused Examples
- Funding milestone sunset: A seed investor agrees to subscribe for shares provided the company launches a product by 30 June and signs 100 paying customers. If the milestone isn’t met by the sunset date, either side can cancel the subscription and move on.
- JV approval long stop: Two businesses form a joint venture to deliver a new service. If accreditation or permits aren’t issued within nine months, the JV terminates and each party retains their existing IP.
- Franchise launch deadline: The franchisee must secure a site and open within 12 months. If not, the franchisor may terminate and reallocate the territory. This is commonly built into the Franchise Agreement.
- Business sale conditions precedent: The sale is conditional on landlord consent and transfer of a key licence. If these haven’t been achieved by the long stop date, either party can terminate in accordance with the Business Sale Agreement.
Why Businesses Use Them
- Certainty and discipline: Everyone knows the timeframe and what success looks like.
- Fair risk allocation: Parties aren’t stuck if third‑party dependencies or approvals drag on.
- Leverage for progress: Deadlines can spur action to deliver conditions or renegotiate terms realistically.
When you’re relying on external approvals, a sunset clause can be the difference between a clean exit and months of stalemate.
Sunset Clauses In Property And State-Based Protections
Sunset clauses also appear in property deals - particularly off‑the‑plan contracts - but the law is stricter here to prevent misuse.
Why Protections Exist
Historically, some developers used sunset clauses to terminate off‑the‑plan contracts, then resell at higher prices. In response, several states tightened the rules to protect buyers. The specifics differ by jurisdiction, but common themes include extra consent and court oversight.
High-Level Australian Position
- New South Wales: Vendors generally need the buyer’s written consent or court approval to rescind off‑the‑plan contracts using a sunset clause, with strict notice and evidence requirements.
- Victoria: Similar safeguards limit a vendor’s ability to end an off‑the‑plan sale under a sunset clause without buyer consent or court approval.
- Other states and territories: Rules vary, and many impose notice obligations or restrict how and when a seller may rely on a sunset clause in off‑the‑plan sales.
The takeaway: in property contracts - especially off‑the‑plan - you can’t assume a sunset clause automatically lets a developer terminate. Buyer consent or court permission is often required, and strict timelines and disclosure apply.
If you’re a business purchasing premises off‑the‑plan (or selling), it’s wise to get a Contract Review before you sign so you understand the exact rights and limits in your jurisdiction.
What Should A Well‑Drafted Sunset Clause Include?
A good sunset clause is precise, balanced and practical. Ambiguity creates disputes. Here’s what to cover.
1) Clear Conditions And Dependencies
Spell out each condition tied to the sunset. For example: specific regulatory approvals by name, a financing facility of a minimum amount, or the execution of named ancillary documents (e.g. distribution agreement, data processing agreement). Avoid vague terms like “substantial progress.”
2) Realistic Timeframe
Choose a date that reflects real-world lead times - for approvals, landlord consent, technology integration or build phases. Unreasonably short or long periods can be unfair and, in some contexts, risk breaching unfair contract term laws (more on that below).
3) Who Can Terminate (And When)
Decide if one party alone has the right, or if both parties share it. In many deals, it’s fair that either party can terminate after the sunset date. In investor or customer contracts, it may be proportionate to give the “waiting” party the right to walk away if the other side hasn’t delivered the condition.
4) Consequences On Termination
- Return of deposits or prepayments (including timing and method).
- Release of securities or guarantees.
- Survival of confidentiality, IP ownership, and dispute resolution clauses.
- Practical handbacks: return of materials, credentials, or data.
If there are staged payments or escrow arrangements, set out how funds are released if the sunset kicks in.
5) Notice And Process
State how to give notice (email or postal address, attention line), what the notice must include, and whether there’s a short cure period before the right to terminate is exercisable.
6) Extension Or Variation Pathways
Sometimes you’ll want to extend the sunset in good faith. Include the mechanism to extend by mutual agreement, ideally documented through a short addendum or a Deed of Variation, so you’re not relying on informal emails.
7) Interplay With Other Clauses
Make sure the sunset clause aligns with exclusivity, break fees, liability caps and force majeure provisions. Conflicts here can create leverage for disputes.
8) Fairness And UCT Risk
Australia’s unfair contract term (UCT) regime under the Australian Consumer Law has been expanded. Unfair terms in standard form contracts with consumers and many small businesses can now attract significant penalties. One‑sided sunset clauses in standard form terms may be at risk if they create an imbalance and aren’t reasonably necessary to protect legitimate interests. If you use standard customer or supplier terms, consider a UCT review and redraft.
Negotiating, Extending Or Enforcing A Sunset Clause
Sunset clauses are negotiable. Here’s how to approach them pragmatically.
Negotiation Tips
- Calibrate the timeframe: Ask: what approvals or milestones are realistic based on past experience? Build in buffer for third‑party delays.
- Balance the rights: If only one side can terminate, consider making the right mutual, or limiting it to circumstances where the counterparty is at fault.
- Tie rights to effort: You might require “reasonable endeavours” (or “best endeavours” in higher-stakes projects) to meet the conditions before sunset rights can be used.
- Be clear on money flows: Specify refund timing, interest (if any), and mechanics for releasing escrow or bank guarantees.
- Add transparency: Ask for progress reporting obligations or proof of steps taken towards the conditions.
Extending The Sunset Date
If things are progressing but a milestone is running late, the simplest path is agreeing to extend in writing. Keep it formal: capture the new date and any related adjustments in a short amendment or Deed of Variation. If other moving parts change (pricing, scope, ancillary documents), confirm those at the same time to avoid multiple mismatched versions later.
Enforcing Or Triggering The Clause
When the date arrives and the condition isn’t met:
- Check the exact notice requirements (address, method, content).
- Confirm any cure period has expired.
- Issue a compliant notice and keep evidence of delivery.
- Action the unwinding steps (refunds, releases, handbacks) promptly.
If you’re unsure whether the condition is satisfied (or substantially satisfied), it’s sensible to seek advice before you trigger termination. Misuse can create breach or repudiation risk, and in property deals in particular, state rules may restrict reliance on the clause.
Related Documents To Keep In Place
Strong surrounding documentation prevents misunderstandings and supports a smooth unwind if needed:
- Heads of Agreement for early deal terms and target timelines (Heads of Agreement).
- Core commercial contracts with clear conditions and timeframes (Service Agreement or Terms of Trade).
- Confidentiality to protect information whether the deal completes or not (Non‑Disclosure Agreement).
- Governance documents to align founders or investors on milestones and decisions (Shareholders Agreement).
If you’re signing or updating any of these, a quick Contract Review can flag gaps before they become problems.
Common Pitfalls To Avoid
- Vague milestones: “Obtain approvals” is too broad - name the authority and licence type.
- Hidden dependencies: If landlord consent is essential, include it as a condition; don’t assume it’s implied.
- No survival clauses: Protect confidentiality and IP ownership after termination or expiry.
- Inconsistent dates: Align the sunset date with related notice periods and any exclusivity windows.
- Relying on emails alone: If the contract prescribes “formal notice,” casual emails won’t cut it.
FAQs Businesses Often Ask
Is a sunset clause the same as a termination for convenience? No. A sunset clause is tied to unmet conditions by a deadline. Termination for convenience lets a party end an agreement for any reason (usually with notice and sometimes a fee).
Can we keep working after the sunset date? Yes, if both parties want to continue, extend the date in writing. Don’t rely on verbal or informal extensions - document them properly, ideally via a short variation.
What if only part of the condition is met? If the clause requires a specific event, “substantial performance” may not be enough. Clarify in drafting whether partial completion satisfies the condition, or whether a party may waive it.
Can a sunset clause be unfair under Australian Consumer Law? Potentially, in standard form contracts with consumers or small businesses. One‑sided rights or unrealistic timeframes can raise UCT concerns. A UCT review and redraft can help calibrate fairness.
Key Takeaways
- A sunset clause sets a clear deadline for a condition or a deal to complete - if the date passes without the event, agreed termination or unwind rights apply.
- They’re widely used in Australian business contracts: investments, joint ventures, franchises, options and business sales, as well as property.
- For off‑the‑plan property in particular, state laws (including NSW and Victoria) restrict how sellers can rely on sunset clauses - buyer consent or court approval is often required.
- Well‑drafted sunset clauses define precise conditions, realistic timeframes, balanced termination rights, financial consequences, and practical notice mechanics.
- Unfair or one‑sided sunset clauses in standard form contracts can raise Australian Consumer Law risks, so consider a UCT review and redraft if you use templated terms.
- If you need more time, extend the date formally (for example via a Deed of Variation) and align related obligations so nothing falls through the cracks.
If you’d like a consultation on drafting or reviewing a sunset clause for your contract, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








