Loss carryforwards are not a price driver, but should be recorded.
If losses do not influence valuation, a short record may be enough. Still check whether later audits or restructurings are affected.
Due diligence
Shell company acquisition and tax losses in a share deal: when loss carryforwards are at risk
Shell company acquisition in Austria: tax loss carryforwards, economic identity, price, tax clauses and indemnity in the SPA.
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3 August 2026 · Mag. Bernhard Brandauer, Rechtsanwalt
Tax loss carryforwards can make a share deal economically attractive. For that reason, the buyer must check whether the assumed tax benefit remains usable after the ownership change. The Austrian shell company acquisition rule in section 8 para 4 item 2 KStG is not a closing detail, but a valuation, tax advice and SPA issue.
This post is not another general tax due diligence overview. It shows how loss carryforwards should be reviewed in a business acquisition, treated cautiously in the price and protected through tax clauses, conditions or indemnities.
Classify tax losses
Is the tax benefit reliable in the share deal?
Two questions show whether price and SPA need improvement.
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Is the purchase price based on tax loss carryforwards?
If losses are part of valuation, their usability must be reviewed before signing.
All paths at a glance
Overview of all answers.
The tax assessment is translated into price and agreement.
If the tax assessment is robust, assumptions belong in valuation, warranties and tax covenants. The post on tax indemnity clauses explains the contract layer.
The tax benefit is not yet reliable.
If only the loss amount is known, the buyer should not give full value. Clarify shell acquisition risk, economic identity and possible tax audit before pricing the benefit.
Why tax loss carryforwards can fail after a share purchase
Why tax loss carryforwards can fail after a share purchase
Loss carryforwards belong to the company, not to the shareholder. In a share deal they formally remain in the target company. That does not mean the buyer can use them without further review after a major ownership change and a changed economic structure.
Section 8 para 4 item 2 KStG addresses shell company acquisition risk. The key point is the interaction of shareholder change, organisational structure and economic identity. Detailed tax assessment belongs with tax advisers, but the agreement must reflect the consequences.
How tax losses belong in valuation and purchase price
How tax losses belong in valuation and purchase price
A buyer should give value to loss carryforwards only if usability has been reviewed reliably. Otherwise the price creates false precision. The post on business valuation explains why normalisations and assumptions must be transparent.
If the seller uses a tax benefit as value argument, the seller should disclose the tax assumptions. The buyer then needs its own review of shell acquisition risk, restructuring history and pending audits.
Review grid
From loss carryforward to contract consequence
The table separates tax review, valuation and SPA rule.
| Layer | Question | Consequence |
|---|---|---|
| Tax Does the loss remain usable? | Tax adviser memo and documentation | |
| Valuation Is the benefit priced? | Disclose or remove price assumption | |
| Agreement Who bears deviations? | Warranty, indemnity, condition | |
| After closing Audit after closing | Regulate cooperation and proceedings |
Detailed tax assessment should be aligned with tax advisers.
Practical point: Loss carryforwards are not a secure purchase price component. If they increase price, the buyer needs tax assessment and clear contractual risk allocation.
SPA clauses for lost tax benefits
SPA clauses for lost tax benefits
The acquisition agreement should not merely confirm that tax returns are correct. If loss carryforwards are part of the deal, it needs an express rule: assumed loss amount, promised usability and risk allocation if the tax view differs.
A tax indemnity can help if a specific tax benefit is promised. Alternatively, the benefit can be removed from the price or recognised only when actually used later.
Separate this from general tax due diligence
Separate this from general tax due diligence
Tax due diligence collects the findings. This post asks more narrowly whether this specific loss carryforward can still be used after the transaction.
That boundary avoids duplication. The post does not replace tax advice, but helps negotiate legal and contractual consequences in time.
Frequent questions
Shell acquisition and loss carryforwards in a share deal.
Is every share purchase with tax losses a shell acquisition? +
No. The specific changes in ownership, organisation and economic identity are decisive. That is the tax review question.
Should the buyer pay more for loss carryforwards? +
Only if usability has been reviewed and reflected in the agreement. Otherwise the benefit should be valued cautiously or removed from price.
Can the SPA secure the tax law position? +
The agreement cannot change tax law. It can allocate the economic risk if the assumed usability does not hold.
Topics
Shell company acquisitionLoss carryforwardsShare dealCorporate taxTax indemnity
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