
Earn out Accounts Controlled by the Buyer after Completion
Buyer control of post-closing accounts threatens earn-outs; sellers protect consideration using strict accounting hierarchies and standalone operational covenants.
Contractual and regulatory procedures in transaction due diligence or audit reviews grant a party access to the underlying calculations, research, and analysis compiled by an independent accounting firm. This work paper disclosure allows the reviewing party to understand the methodology and evidence used to support the audit opinions or financial adjustments in a corporate transaction. The mechanism operates by providing controlled access to the auditor’s files, including bank reconciliations, inventory counts, and tax provisions, under a strict confidentiality agreement.
It establishes a transparent pathway to verify the quality and consistency of the financial analysis presented by the target company’s advisors. The obligation to disclose these files protects the buyer from relying on summary due diligence reports that may conceal significant financial risks or valuation errors. By agreeing to this disclosure, the auditing firm allows the buyer’s professional advisors to review the detailed testing performed on the target’s financial statements.
The primary function of disclosing these work papers lies in providing the buyer’s financial team with the necessary detail to assess the quality of the target’s historical earnings. When a buyer conducts due diligence, the audited financial statements provide only a consolidated view of the company’s financial position. This protective process operates by allowing the buyer’s accountants to inspect the detailed testing of receivables, liabilities, and accruals performed by the target’s auditors.
In signed share purchase agreements, this disclosure right protects the buyer from the risk of undiscovered financial misstatements or accounting irregularities. The disclosure is categorized as an information and audit right because it grants access to the confidential working documents of the independent accountant. It does not alter the transaction pricing directly, but it provides the evidentiary support needed to negotiate representations, warranties, and indemnities.
The disclosure process is triggered during the due diligence phase or during a post-closing purchase price dispute after the transaction has been executed. In the context of industrial acquisitions or joint venture setups, this involves reviewing the valuation working papers for long-term contracts or complex asset depreciations. The calculation requires the target’s auditor to compile the relevant files and grant access to the buyer’s due diligence team, usually through a secure virtual data room.
This access is typically subject to the buyer signing a release letter that limits the auditor’s liability for any reliance on the work papers. The findings are used to verify that the audit was conducted in accordance with professional standards and that the accounting estimates are reasonable.
The operational boundary of the disclosure obligation stops at the protection of the auditor’s proprietary methodologies, audit software, and internal risk assessment files, which are strictly confidential. To avoid violating professional standards, the auditing firm will redact any documents that are not directly relevant to the target’s financial calculations or that contain legal advice protected by privilege. The disclosure does not permit the buyer to use the work papers for competitive purposes or to assert claims against the target’s auditor.
Once the due diligence period is completed or the dispute is resolved, the right of access terminates, and any extracted files must be returned or destroyed. This boundary balances the buyer’s need for financial transparency with the auditor’s need to protect their proprietary files and manage liability.

Buyer control of post-closing accounts threatens earn-outs; sellers protect consideration using strict accounting hierarchies and standalone operational covenants.
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