Earn-Out Disputes After a Business Sale: Drafting Traps and Litigation Triggers in Victoria 

In Victoria, an earn-out dispute can emerge within months of a business sale, particularly where the seller remains involved in operations or the purchase price depends on future financial performance. For founders, shareholders, private investors and acquiring entities involved in mid-market or high-value transactions, disagreements over an earn-out clause often centre on whether the buyer has manipulated revenue recognition, altered operational strategy, or breached a conduct of business covenant to reduce contingent payments. 

An earn-out dispute Victoria businesses face is rarely just about accounting. These disputes frequently involve allegations of manipulation of earnings, misleading representations during negotiations, breaches of contractual discretion, and failures to comply with an implied or express good faith obligation. In some cases, parties seek urgent relief through injunctions or specific performance to preserve financial records, prevent operational changes, or compel compliance with post-sale obligations. 

Because Victorian courts closely examine the drafting and commercial context of earn-out arrangements, poorly structured sale agreements can create significant litigation exposure. This article examines the drafting traps and litigation triggers that commonly arise after a business sale in Victoria, and how parties can better protect their commercial position before disputes escalate into formal proceedings. 

What Laws Apply to Earn-Out Disputes After a Business Sale in Victoria? 

In Victoria, an earn-out dispute is primarily governed by contract law, but disputes frequently intersect with statutory protections under the Australian Consumer Law (ACL), particularly section 18 of Schedule 2 to the Competition and Consumer Act 2010 (Cth). Section 18 prohibits misleading or deceptive conduct in trade or commerce and is commonly relied upon where one party alleges inaccurate financial representations, concealed liabilities, or post-sale conduct designed to undermine an earn-out clause. Businesses may also face related claims involving ACL misleading conduct arising from representations made during transaction negotiations. 

Earn-out arrangements are typically embedded within broader share sale agreements or asset sale agreements, meaning courts will closely examine the precise wording of the contract. Particular scrutiny is often applied to provisions dealing with calculation methodologies, financial reporting obligations, operational control, and any conduct of business covenant restricting how the purchaser may operate the business during the earn-out period. Where drafting lacks precision, disputes frequently arise over whether declining performance reflects legitimate commercial decision-making or deliberate manipulation of earnings intended to reduce contingent payments. 

Victorian courts and Australian superior courts have consistently reinforced that contractual powers must sometimes be exercised honestly and reasonably, particularly where one party has substantial control over the other’s financial entitlement. In Burger King Corporation v Hungry Jack’s Pty Ltd (2001) 69 NSWLR 558, the New South Wales Court of Appeal recognised that a contractual discretion may be constrained by an implied good faith obligation. While the case did not involve an earn-out dispute directly, it is frequently relied upon where a buyer allegedly exercises operational control in bad faith to avoid contingent payments. 

Similarly, in Tomlin v Ford Credit Australia Ltd [2005] NSWSC 540, the court examined the exercise of contractual powers and the requirement that discretionary rights not be used capriciously or for an improper purpose. These principles are highly relevant in post-acquisition disputes where the purchaser controls revenue recognition, staffing decisions, marketing expenditure, or customer allocation during the earn-out period. 

Courts may award damages for breach of contract, misleading conduct, or implied obligations. In more urgent matters, parties may also seek equitable remedies such as injunctions or specific performance to compel compliance with reporting obligations, preserve business records, or prevent conduct likely to prejudice the earn-out outcome. 

How Do Courts Assess Earn-Out Disputes in Victoria After a Business Sale? 

What parts of an earn-out clause do courts examine most closely? 

In an earn-out dispute, Victoria courts begin with the wording of the earn-out clause itself. The court will examine how the earn-out payment is calculated, what accounting methodology applies, who controls operational decisions after completion, and whether the agreement includes a conduct of business covenant restricting how the purchaser may operate the business during the earn-out period. 

Disputes commonly arise where the agreement does not clearly address restructuring, expense allocation, staffing changes, or integration of the acquired business into broader operations. Courts are likely to apply scrutiny to provisions affecting revenue recognition, EBITDA calculations, discretionary powers, and post-sale operational control. 

Where drafting ambiguity exists, courts may also examine the commercial purpose of the transaction and the objective intentions reflected in negotiations and surrounding circumstances. 

How do courts assess allegations of manipulation of earnings? 

Allegations of manipulation of earnings are among the most common triggers for earn-out litigation. Sellers frequently argue that the purchaser intentionally reduced performance metrics to avoid contingent payments, while purchasers often contend their decisions were commercially necessary after acquisition. 

Courts require strong documentary evidence before concluding manipulation occurs. This may include management accounts, internal communications, revised budgets, customer allocation records, and evidence of changes to accounting treatment after completion. Sudden increases in overhead allocation, deferred revenue recognition, or diversion of key customers during the earn-out period may attract judicial scrutiny where those actions materially affect the seller’s entitlement. 

Courts also consider whether the purchaser complied with any express or implied good faith obligation when exercising contractual discretion. 

When can misleading or deceptive conduct claims arise? 

Claims under section 18 of the Australian Consumer Law frequently accompany earn-out disputes. Sellers may allege the purchaser made representations during negotiations about future investment, operational continuity, or growth strategy that were later abandoned after completion. Purchasers, meanwhile, may allege the seller provided misleading financial forecasts or revenue assumptions before the sale. 

These claims can expand the scope of litigation because parties must establish reliance, causation, and financial loss, often through expert accounting evidence. This is particularly significant where the earn-out structure forms a substantial component of the purchase price. 

When will courts grant injunctions or specific performance? 

Victorian courts may grant equitable remedies where damages alone are insufficient. Sellers may seek injunctions preventing operational changes that could prejudice earn-out calculations or requiring preservation of financial records during the dispute. 

Courts may also order specific performance where a party refuses to comply with agreed reporting obligations, accounting procedures, or expert determination mechanisms. In some transactions, parties attempt to pre-define financial consequences for breach through liquidated damages provisions, although enforceability depends on whether the clause protects a legitimate commercial interest rather than operating as a penalty. 

However, these remedies are more difficult to obtain where the earn-out clause is vague or commercially unworkable, reinforcing the importance of precise drafting at the transaction stage. 

What Common Issues Trigger Earn-Out Disputes After a Business Sale in Victoria? 

One of the most common causes of an earn-out dispute Victoria businesses face is the breakdown of expectations after control of the business transfers to the purchaser. In many mid-market acquisitions, sellers remain involved during the earn-out period as consultants, directors, or transitional managers. Disputes frequently emerge when the purchaser changes operational strategy in ways that reduce the financial metrics tied to the earn-out payment. 

A recurring issue involves purchasers reallocating expenses across business divisions after completion. Sellers often discover that corporate overheads, management fees, marketing costs, or shared staffing expenses have been introduced into the acquired entity’s accounts, materially reducing EBITDA or net profit calculations. Even if the agreement contains an earn-out clause, disputes arise if the accounting methodology is not sufficiently defined. 

Another common trigger is the diversion of customers, contracts, or revenue opportunities away from the acquired business and into related entities controlled by the purchaser. In practice, this can significantly affect earn-out performance while allowing the broader corporate group to benefit commercially. These disputes often involve allegations of manipulation of earnings and breaches of a conduct of business covenant designed to preserve operational continuity during the earn-out period. 

Disputes also commonly arise where the purchaser restructures staffing arrangements shortly after settlement. Key employees may be removed, sales teams consolidated, or budgets reduced in ways that affect revenue generation. Sellers frequently argue these decisions undermine the commercial assumptions underpinning the transaction, particularly where representations were made during negotiations about future investment or growth strategy. In some matters, this may also support claims under section 18 of the Australian Consumer Law for misleading or deceptive conduct. 

From a litigation perspective, timely access to financial records and operational data is often decisive. Parties who delay preserving evidence or enforcing reporting obligations can significantly weaken their position once proceedings commence. Well-drafted dispute resolution mechanisms, expert determination clauses, and clearly defined accounting procedures can reduce litigation risk, but many agreements fail to address how disagreements should be managed in practice. 

These disputes are rarely confined to pure accounting issues. They often evolve into broader commercial conflicts involving contractual interpretation, fiduciary-style allegations, reputational concerns, and urgent applications for injunctive relief or specific performance. 

What Evidence and Litigation Strategy Matter Most in an Earn-Out Dispute? 

In an earn-out dispute, Victoria businesses should act quickly to secure financial records, internal communications, and operational data before positions become entrenched. Many disputes are won or lost on contemporaneous evidence showing why business decisions were made during the earn-out period and whether those decisions were commercially justified. 

For sellers, the strongest claims often rely on identifying measurable changes to revenue allocation, expense treatment, staffing structures, or customer management after completion. Financial records are rarely sufficient. Courts frequently examine emails, board papers, management reports, and forecasting documents to determine whether there was deliberate manipulation of earnings or conduct inconsistent with a good faith obligation. 

Purchasers defending these claims must usually demonstrate that post-acquisition decisions were commercially rational and consistent with ordinary business objectives rather than designed to reduce contingent payments. Clear governance processes and documented commercial reasoning can become critical safeguards if litigation arises. 

Expert accounting evidence also plays a significant role in most disputes involving an earn-out clause. However, expert evidence is only as persuasive as the contractual framework supporting it. Agreements that fail to define accounting standards, reporting methodologies, or dispute resolution procedures often create avoidable uncertainty and increase litigation costs. 

Strategically, parties should assess early whether the dispute is suitable for expert determination, negotiated resolution, or urgent court intervention. In some cases, immediate injunctive relief or specific performance may be necessary to preserve records, prevent operational changes, or enforce reporting obligations before the earn-out period expires. 

Frequently Asked Questions 

 What Should Businesses Do When an Earn-Out Dispute Arises in Victoria? 

Earn-out disputes often require urgent strategic intervention before financial positions become entrenched or critical evidence is lost. In many cases, disputes involving an earn-out clause extend beyond accounting disagreements and develop into broader conflicts concerning operational control, manipulation of earnings, misleading conduct, and enforcement of contractual obligations. 

Pentana Stanton Lawyers advises purchasers, founders, shareholders, and investors in complex post-acquisition disputes and risk management arising from business purchases and sales, including matters involving conduct of business covenants, good faith obligations, and applications for injunctive relief or specific performance. 

To obtain strategic advice on an earn-out dispute, business sale, or commercial contract risk, contact our commercial litigation and contract disputes team or arrange a confidential consultation with our lawyers.