The finding is generally transaction-ready.
Record the assumptions in the data room and reflect them in the appropriate warranty or condition.
Due diligence
Group taxation in a share deal: group parent, minimum period and recapture risks
Group taxation in an Austrian share deal: section 9 KStG, group parent, minimum period, tax allocation and SPA protection.
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9 August 2026 · Mag. Bernhard Brandauer, Rechtsanwalt
An existing Austrian tax group can materially affect a share deal. The buyer must know whether the target is a group member, who the group parent is, whether the minimum period has been met and whether recapture can arise.
This post is not a repeat of the shell acquisition topic. It deals only with group taxation under section 9 KStG, tax allocation agreements, leaving the group and SPA protection.
Review tax group
Can the target leave the tax group cleanly?
Two questions show whether the point needs deeper review before signing or closing.
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Is the target part of an Austrian tax group?
If the answer is yes, the point belongs in the deal risk list.
All paths at a glance
Overview of all answers.
The finding needs a clear solution before signing or closing.
If documents or responsibilities are missing, the buyer should not move the point into a vague post-closing list. Clarify risk, price effect and contract protection before the next milestone.
What section 9 KStG means for the transaction
What section 9 KStG means for the transaction
Section 9 KStG allows Austrian tax groups if conditions are met. For the deal, the issue is not only current tax status, but also what an ownership change or exit of the target triggers.
Tax due diligence should therefore request group applications, tax assessments, tax allocation agreements and correspondence with the tax authority.
Do not miss minimum period and recapture
Do not miss minimum period and recapture
Group taxation is time-related. If the minimum period is not met or foreign losses were included, later corrections can economically hit the buyer although the cause predates closing.
This is different from shell acquisition and tax losses. There the issue is usability of losses; here it is group mechanics and after-effects.
Tax grid
Translate group taxation into deal consequences
The overview separates finding, review and agreement consequence.
| Layer | Review | SPA consequence |
|---|---|---|
| Status Group member or group parent? | Disclosure and warranty | |
| Minimum period Period and exit reviewed? | Indemnity or price mechanism | |
| Allocation Internal tax payments open? | Cut-off and reconciliation |
The concrete drafting depends on the data room, deal structure and specialist advice.
Practical point: This point should not be phrased as a post-closing task without responsibility. If it can affect price, approval or liability, it belongs in the data room and SPA before closing.
Review tax allocation and cash flows
Review tax allocation and cash flows
A tax allocation agreement may regulate internal payments between group parent and group member. Buyers should check open claims, treatment of prepayments and whether post-closing reconciliations will occur.
Without clear cut-off, disputes arise whether a tax amount is part of price, seller risk or buyer upside.
SPA clauses for tax group risks
SPA clauses for tax group risks
The SPA should address group status, tax allocation, recapture and cooperation duties specifically. Generic tax clauses are rarely enough when the target is carved out of a tax group.
The post on tax indemnity and covenants explains the wider contract technique.
Frequent questions
Group taxation in a share deal: group parent, minimum period and recapture risks.
Is group taxation the same as shell acquisition risk? +
No. Shell acquisition concerns usability of tax losses. Group taxation concerns an Austrian tax group under section 9 KStG.
Why is the minimum period important? +
Because an early exit can trigger tax after-effects. These consequences should be valued before signing.
Who bears recapture after closing? +
The SPA should regulate that expressly. Without a clear clause, economic allocation and cooperation can become disputed.
Going deeper
Further reading for the review
Tax due diligence
Direct follow-up for the deeper review.
Shell acquisition and tax losses
Direct follow-up for the deeper review.
Tax indemnity and covenants
Direct follow-up for the deeper review.
Share deal or asset deal
Direct follow-up for the deeper review.
Purchase price holdback
Direct follow-up for the deeper review.
Topics
Group taxationSection 9 KStGShare dealTax allocationTax indemnity
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