Post-Closing Payment Structures in Dutch M&A: Set-Off, Claims Waterfalls and Dispute Control

Why this issue deserves a separate drafting analysis

Dutch M&A transactions often use several post-closing payment and risk-allocation tools at the same time. A deal may include an earn-out, deferred consideration, a vendor loan, escrow, W&I insurance, specific indemnities and ordinary warranty claims.

Each instrument can be useful. The problem arises when they are negotiated separately and do not work together after closing.

If a warranty claim arises, can the buyer set it off against an earn-out? If W&I insurance applies, must the buyer claim under the policy first? If a vendor loan is outstanding, can payments be suspended? If a specific indemnity exists, does it sit ahead of or outside the general claims regime? If there is an escrow, when and how may funds be released?

These are not theoretical questions. They determine the post-closing economics of the deal.

This insight does not repeat the general explanation of earn-outs, vendor loans or W&I insurance. It focuses on the drafting issue that often gets underplayed: how post-closing payment structures interact.

This article is part of the ViottaLaw series on Dutch M&A deal practice, purchase price mechanisms in Dutch M&A, earn-outs in Dutch M&A and post-closing disputes after Dutch acquisitions.

The core issue: who gets paid, when and despite what?

Post-closing payment structures are often introduced to solve commercial tension before signing.

An earn-out bridges a valuation gap. A vendor loan bridges financing or leverage constraints. W&I insurance supports a clean exit. An escrow gives temporary security. A specific indemnity allocates a known risk. Deferred consideration postpones part of the price.

The difficulty is that these tools may point in different directions. The seller wants certainty of future payment. The buyer wants protection against claims. The insurer wants policy procedures followed. The lender may restrict payments. The escrow agent follows the escrow agreement, not the commercial intent.

The SPA must therefore answer a basic question: who gets paid, when and despite what competing claim?

Set-off rights are often the battleground

Set-off is one of the most important post-closing drafting points.

A buyer may want the right to set off warranty claims, indemnity claims, leakage claims or purchase price adjustment claims against an earn-out, vendor loan or deferred payment. That can be commercially logical: why should the buyer pay more if it also has a claim?

The seller will often resist broad set-off. From the seller’s perspective, an alleged buyer claim should not automatically block an agreed payment. This is especially true where the claim is disputed, unliquidated or insured.

The drafting should be explicit. Is set-off allowed? Only for finally determined claims? Also for notified claims? Does set-off apply to earn-outs, vendor loans and deferred consideration? Is a reserve mechanism used instead?

Unclear set-off language is an invitation to post-closing conflict.

Claims waterfalls: which recovery route comes first?

Where multiple sources of recovery exist, the SPA should include a claims waterfall.

For example, if a tax issue arises, the buyer may have potential recourse under a specific indemnity, general tax warranties, W&I insurance, an escrow and possibly set-off against deferred consideration. The agreement should state which route applies first.

A typical waterfall may require the buyer to claim first against W&I insurance, then escrow, then the seller, or the other way around depending on the deal. Known risks may sit outside the W&I policy and be covered by a specific indemnity. Fundamental warranties may have separate recourse.

Without a claims waterfall, parties may dispute whether a claim has been brought against the right source or whether the buyer has failed to mitigate.

W&I insurance and seller liability

In W&I-backed Dutch M&A transactions, the seller often expects a clean exit. But the seller may still have exposure for fraud, leakage, specific indemnities, title and capacity warranties, covenants, tax matters or excluded risks.

The SPA must align with the W&I policy.

If the policy excludes a known issue, the parties must decide whether the seller retains liability, whether an escrow is used or whether the buyer accepts the risk. If the buyer must first claim under the policy, that should be stated. If policy recovery does not reduce seller liability, that should also be clear.

The W&I policy is not part of the SPA unless the documents are coordinated. Misalignment creates claims uncertainty.

Vendor loans and payment suspension

Vendor loans need separate attention because they create a creditor relationship after closing.

If the seller is owed repayment under a vendor loan but the buyer has a warranty or indemnity claim, can repayment be suspended? Can the buyer set off? Is lender consent required? Are vendor loan payments subordinated to senior debt? What happens on default?

These questions should be answered in the vendor loan agreement and cross-referenced in the SPA.

A vendor loan should not be treated as a simple deferred price term. It interacts with financing, security, subordination, covenants and dispute strategy.

Earn-outs and conduct claims

Earn-outs generate a different type of dispute. The seller may claim that the buyer manipulated performance or failed to operate the business in a way that allowed the earn-out to be achieved. The buyer may claim that the earn-out target was not met or that seller conduct caused the shortfall.

If the buyer also has warranty claims, the interaction becomes more complex. Can a warranty claim reduce an earn-out? Can earn-out disputes delay payment of undisputed amounts? Can seller information rights be restricted because of litigation?

The earn-out clause should contain its own reporting, review and dispute procedure, but it must also fit the general claims regime.

Escrow release mechanics

Escrows are often used to provide temporary security. But the escrow agreement must match the SPA.

The key issues are the escrow amount, release date, permitted claims, notice requirements, disputed claim holdbacks, tax treatment, interest, costs and interaction with W&I insurance or seller liability caps.

If the escrow is meant to secure only specific claims, that should be clear. If it secures all claims, the seller should understand that future payments may be delayed by notified disputes.

Escrow mechanics are procedural, but they have direct economic consequences.

Limitation periods and notice mechanics

Different claims often have different limitation periods.

General warranty claims may expire after a fixed period. Tax claims may last longer. Fundamental warranties may have a separate period. Earn-out disputes may have a short review window. Vendor loan claims may follow the loan maturity. W&I policies have their own notification procedures.

If these periods are not aligned, a party may lose a claim in one route while preserving it in another. That creates uncertainty and tactical behaviour.

The SPA should therefore map claims periods, notice requirements and dispute mechanisms across all post-closing instruments.

Dispute forum and expert determination

Not every post-closing dispute should go to the same forum.

Accounting disputes over completion accounts or earn-out calculations may be suitable for expert determination. Legal claims under warranties or indemnities may belong in arbitration or court. Escrow release disputes may follow a specific escrow process. Insurance claims follow policy procedure.

The drafting should distinguish between calculation disputes and legal liability disputes.

Combining everything into one generic dispute clause may be inefficient. Splitting too much may create parallel proceedings. The right structure depends on the instruments used.

Practical drafting checklist

A post-closing payment structure should address set-off, payment suspension, claims waterfall, W&I alignment, escrow release, vendor loan subordination, earn-out disputes, notice periods, limitation periods, mitigation, double recovery and dispute forum.

The most important anti-dispute rule is to avoid double uncertainty. A party should not have to guess both whether a claim exists and where that claim must be recovered.

Conclusion

Earn-outs, vendor loans, W&I insurance, escrows and indemnities are often negotiated as separate tools. In practice, they operate together after closing.

The real drafting challenge is therefore not each instrument in isolation. It is the interaction between payment obligations and claims.

For foreign buyers, sellers and advisers in Dutch M&A, the practical lesson is clear: build the post-closing payment architecture before signing. Set-off, claims waterfalls, limitation periods and dispute procedures should be clear before the relationship becomes adversarial.

FAQ

What is a claims waterfall in M&A?

A claims waterfall determines which recovery route must be used first when several sources of recovery exist, such as W&I insurance, escrow, indemnity or seller liability.

Can a buyer set off a warranty claim against an earn-out?

Only if the SPA allows it. The agreement should specify whether set-off applies to disputed or only finally determined claims.

Does W&I insurance always replace seller liability?

No. Seller liability may remain for excluded risks, fraud, leakage, specific indemnities, title, capacity or other agreed matters.

Why do vendor loans create post-closing disputes?

Because the seller becomes a creditor after closing, while the buyer may also have claims against the seller. The documents must regulate repayment, set-off and suspension rights.

Should earn-out disputes go to court or an expert?

Calculation disputes often fit expert determination. Legal disputes about conduct, covenants or breach may require court or arbitration.

About Dirk de Waard

Dirk de Waard is a Dutch corporate and M&A lawyer and partner at Venture Lawyers in Amsterdam. He advises foreign buyers, sellers, private equity funds and management teams on Dutch M&A transactions, earn-outs, vendor loans, W&I insurance, escrow structures, claims waterfalls and post-closing dispute risk.

Structuring post-closing payment mechanics in a Dutch deal?

Post-closing payment structures only work if the SPA, vendor loan, W&I policy, escrow agreement and claims regime are aligned. Set-off, payment timing and recovery routes should be clear before signing.

Dirk de Waard advises buyers, sellers and investors on post-closing payment structures in Dutch M&A transactions. Contact Dirk at dirk.dewaard@viottalaw.com to discuss set-off, claims waterfalls or dispute control in a Dutch deal.