Tax Criminal Law — An Overview

Tax criminal law protects the financial interests of the state. Tax investigation authorities and public prosecutors pursue alleged tax evasion with corresponding determination — the purchase of stolen bank data for millions of euros is even considered justified in order to bring tax offenders to account.

For those affected, this means: a tax criminal investigation is not a trivial matter. Substantial fines, suspended sentences or — where larger amounts are involved — immediate custodial sentences are all real possibilities. Added to this are back-payment of the evaded taxes, six percent evasion interest per year and potential personal liability claims against managing directors and other parties involved.

Effective defense therefore requires expertise in both areas of law: criminal law and tax law. Tax assessment proceedings and criminal proceedings run in parallel — and only those who keep both sides firmly in view can achieve the optimal outcome.

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Tax Evasion — The Central Allegation

Section 370 of the German Fiscal Code (AO) is the core provision of tax criminal law. Anyone who makes false statements to the tax office, or conceals facts of tax relevance, and thereby reduces the tax payable, commits a criminal offence — even the attempt is punishable. However, not every irregularity automatically constitutes tax evasion. Whether a criminal offence has been committed at all can only be assessed on the basis of substantive tax law. As a specialist tax law attorney, I examine the facts thoroughly and develop a defense strategy that is sound in both criminal law and tax law terms.

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Sentencing in Tax Evasion Cases — When Does Imprisonment Threaten?

The amount of tax evaded determines the sentence. From €50,000, the courts speak of evasion on a "large scale" — custodial sentences become likely. From €100,000, a suspended sentence is the norm; from €1 million, suspension is available only in exceptional circumstances.

My role as defense counsel: to scrutinise the tax investigation authority's calculations critically, reduce the amount of evasion alleged and identify every mitigating circumstance. Every reduction has a double effect — on the sentence and on the back-tax liability.

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Voluntary Disclosure — The Path Back to Legality

The voluntary disclosure for exemption from punishment remains the most effective instrument for avoiding a criminal penalty — provided it is complete, timely and made before the offence is discovered. Since 2015, stricter requirements apply: all non-statute-barred tax offences of a given tax type must be disclosed, and surcharges apply from €25,000 per offence. A voluntary disclosure without legal support is risky. Errors render the disclosure ineffective — and significantly worsen your position. I guide you through the entire process, from the initial risk assessment and preparation of the disclosure through to termination of proceedings.

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Search and Seizure — "The Day the Tax Investigators Arrive"

A house search is often the first moment at which those affected learn of the investigation — early in the morning, without warning, with tax investigators at the door. In this exceptional situation, composure is critical. Make no statements. Sign nothing. Call me. As your defense counsel, I ensure that all formalities are observed, examine the search warrant for defects and ensure that your rights are protected. Where measures are unlawful, I lodge the appropriate legal remedies.

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Tax Audit and Criminal Proceedings — When the Audit Escalates

A large proportion of tax criminal proceedings begin during a tax audit. If the auditor encounters indications of a criminal offence, they are required to suspend the audit and refer the matter to the criminal tax unit. The audit may only continue after you have been formally informed of your rights.

Warning sign: if the auditor suddenly breaks off or "cancels for tomorrow," criminal proceedings may already have been initiated. This is the moment to instruct a tax criminal defense attorney.

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Estimation in Tax Criminal Proceedings — Figures You Never Earned

Where your accounts are rejected, the tax office applies estimation pursuant to Section 162 AO. Turnover and profits are extrapolated — often on the basis of questionable methods such as standard industry ratios or time-series comparisons. In criminal proceedings, this estimate determines the amount of evasion alleged and therefore the sentence. As a specialist tax law attorney, I examine the estimation method, identify errors and prepare counter-calculations. The objective: to reduce the evasion allegation — and with it both the sentence and the tax liability.

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Tax Debt and Liability — The Financial Dimension

Evaded taxes must be repaid — plus six percent evasion interest per year. Over several years of evasion, this rapidly accumulates to amounts that threaten financial existence. In addition, personal liability arises under Section 71 AO: anyone who participated in tax evasion is personally liable for the tax debt — including managing directors, advisors and spouses. A strong defense in criminal proceedings therefore protects not only against punishment, but also against financial ruin.

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Asset Recovery — When Your Account Is Frozen

Since 2017, tax investigators frequently arrive with two court orders: a search warrant and an asset freezing order. They are looking not only for evidence, but also for cash, valuables and bank balances. Banks are simultaneously notified of garnishments by fax. For those affected, this can be existentially threatening — accounts are frozen and business operations come to a standstill. I examine the proportionality of the measures taken and fight to ensure that your economic survival is secured throughout the proceedings.

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Investigating Authorities — Who Is Investigating You

In tax criminal law, different authorities investigate than in general criminal law: instead of the police, the tax investigation service (Steuerfahndung); instead of the public prosecutor, the penalties and criminal tax unit (Bußgeld- und Strafsachenstelle, BuStra) of the tax office. These specialists possess deep tax expertise — and pursue tax offences with corresponding efficiency. It is therefore all the more important that your defense counsel knows both sides: criminal law and tax law.

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Tax Administrative Offences — A Fine Rather Than a Criminal Penalty

Not every error is automatically a criminal offence. Negligent tax shortfalls or mere oversights may be treated as an administrative offence punishable by a fine — rather than as a crime. The boundary is often fluid and depends on the individual case. I assess whether you are actually facing a criminal allegation or merely an administrative offence — and develop the appropriate defense strategy.

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Limitation Periods — When Is It Too Late to Prosecute?

Limitation periods in tax criminal law are complex. Simple tax evasion becomes statute-barred after five years; serious cases after ten to fifteen years. The absolute limitation period for serious tax evasion is 37.5 years — almost as long as for manslaughter. In every case, I examine carefully whether limitation has already occurred or is imminent — and take every available opportunity to bring the proceedings to an end on this basis.

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Telecommunications Surveillance — Am I Being Monitored?

Many accused persons fear that their telephones are being tapped. The good news: ordinary tax evasion does not meet the threshold for surveillance measures. Telecommunications monitoring is only permissible in cases of gang-based or commercial evasion. However, other covert measures — surveillance, informants, bank data requests — are entirely possible. I advise you on your rights and examine whether any unlawful measures have been carried out.

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Child Benefit Fraud — An Underestimated Risk

Child benefit is legally classified as a tax credit. Those who fail to notify the family benefits office of changes — such as moving abroad — may be guilty of tax evasion. Deregistering with the residents' registration office is not sufficient. Such cases are particularly common in international contexts. I examine whether intent was present at all and work towards termination of the proceedings.