The line between a tax error and criminal tax evasion is often blurred. Learn when intent is established, what role voluntary disclosure plays, and how you should conduct yourself during a tax investigation.
Tax Criminal Law: When Does a Mistake Become Tax Evasion?
In tax law, the principle holds: where work is done, mistakes happen. An incorrect allocation of business expenses, an overlooked receipt, or an incorrectly completed form -- such oversights occur frequently in practice. But when does an oversight become a criminally relevant accusation? The answer lies in the detail and depends significantly on whether the error was committed intentionally or negligently. This article explains the distinction, identifies typical risk situations, and provides practical guidance on prevention and proper conduct in an emergency.
The Offences: § 370 AO and § 378 AO
Tax Evasion (§ 370 AO)
Tax evasion under § 370 AO is the central criminal offence of tax criminal law. A person is criminally liable who, in dealings with the tax authorities:
- Makes inaccurate or incomplete statements about tax-relevant facts
- Culpably leaves the tax authorities in ignorance about tax-relevant facts
- Culpably fails to use tax stamps or tax seals
and thereby reduces taxes or obtains unjustified tax advantages for themselves or a third party. Tax evasion is an intentional offence -- the perpetrator must at least accept the tax reduction as a possibility (conditional intent).
Sentencing range: Imprisonment of up to five years or a fine. In particularly serious cases (§ 370 Abs. 3 AO), imprisonment of six months to ten years may be imposed. A particularly serious case exists, among other circumstances, where:
- Tax reduction on a large scale (from 50,000 euros per offence according to the case law of the BGH)
- Acting as a member of a gang
- Use of forged or falsified documents
Negligent Tax Reduction (§ 378 AO)
Negligent tax reduction is an administrative offence, not a criminal offence. It applies where a person commits the acts described in § 370 AO negligently. Negligence in this context means an elevated degree of carelessness -- comparable to gross negligence in civil law.
Sanction: Fine of up to 50,000 euros.
The distinction between § 370 AO and § 378 AO is of enormous practical significance, as it determines whether criminal proceedings or merely administrative proceedings are initiated.
Distinguishing Intent, Negligence, and Simple Carelessness
Intent (§ 370 AO)
A person acts intentionally who knowingly and wilfully brings about the tax reduction. For conditional intent, it suffices that the perpetrator recognises the possibility of a tax reduction and accepts it. Typical indicators of intent include:
- Systematic concealment of income over several years
- Maintaining double bookkeeping (official and unofficial cash records)
- Use of fictitious invoices or certificates of convenience
- Concealment through complex corporate structures
- Demonstrable knowledge of tax obligations combined with deliberate non-compliance
Negligence (§ 378 AO)
A person acts negligently who violates the duty of care required in the ordinary course of affairs to an unusually high degree and fails to observe what should have been obvious to anyone in the given circumstances. Examples:
- Persistent failure to file tax returns despite awareness of the obligation
- Delegation of tax obligations to unsuitable persons without supervision
- Ignoring obvious errors in the bookkeeping
- Failure to seek clarification in cases of clearly uncertain legal positions
Simple Carelessness
Where only simple carelessness is present -- that is, an oversight that could equally have occurred to a diligent taxpayer -- both criminal liability and an administrative offence are excluded. The tax is then merely reassessed, potentially with interest under § 233a AO.
Typical Risk Scenarios
Certain constellations carry a heightened risk that a perceived mistake may give rise to a criminally relevant accusation:
- Estimated surcharges: Where business income is regularly understated and a tax audit leads to significant surcharges, the tax authorities will quickly assume intent
- Cash registers and POS systems: Manipulated or defective cash register systems are a classic gateway to tax criminal proceedings
- Cross-border matters: Undeclared foreign accounts, income from foreign participations, or cross-border transfer pricing
- VAT carousel fraud: Involvement in VAT fraud chains -- even unwittingly -- can have severe criminal consequences
- Valuation issues: In gift and inheritance tax, undervaluations can give rise to accusations of tax evasion
Voluntary Disclosure (§ 371 AO)
Requirements for an Effective Voluntary Disclosure
Voluntary disclosure offers the opportunity to achieve exemption from punishment despite having committed tax evasion. The requirements for an effective voluntary disclosure are, however, strict:
- Completeness: The voluntary disclosure must encompass all non-time-barred tax offences of a given tax type. A partial voluntary disclosure has been ineffective since 2015
- Correction: All incorrect statements must be corrected and the correct tax bases disclosed
- Payment: The evaded taxes plus interest must be paid in full within a deadline set by the tax authority
- For evasion amounts exceeding 25,000 euros per offence, an additional surcharge under § 398a AO must be paid (10 per cent for 25,000 to 100,000 euros, graduated up to 20 per cent)
Blocking Effect -- When Is Voluntary Disclosure Excluded?
Voluntary disclosure is blocked and has no exempting effect in the following cases:
- Notification of an audit order (tax audit, VAT audit)
- Initiation of criminal proceedings or appearance of an official for tax inspection purposes
- Discovery of the offence -- where the offence had already been discovered in whole or in part and the taxpayer knew or should reasonably have expected this
- Evasion amount exceeding 25,000 euros per offence (here, exemption from punishment only occurs upon payment of the surcharge)
Practical tip: A voluntary disclosure should never be prepared without expert advice from a tax adviser or specialist lawyer in tax law. Formal or substantive errors render the voluntary disclosure ineffective and can significantly worsen the person's situation.
Conduct During a Tax Investigation
When the tax investigation unit (§ 208 AO) becomes active, the following principles apply:
Rights of the Person Concerned
- Right to silence: From the moment you are cautioned as a suspect, you are not obliged to make any statement -- exercise this right
- Right to legal counsel: Request the involvement of a lawyer before making any statements
- Search: A search requires a judicial warrant (exception: imminent danger). Request to see the warrant
- Seizure: You can lodge legal remedies against the seizure of items
Practical Rules of Conduct
- Remain calm and do not make hasty statements
- Do not destroy any documents -- this may be treated as obstruction and significantly worsens the situation
- Immediately contact a specialist lawyer (specialist lawyer in tax law with a focus on tax criminal law)
- Instruct staff not to provide information without prior consultation
- Carefully review the search warrant -- it limits the scope of the search
Prevention: How to Minimise Risks
The best defence is prevention. The following measures significantly reduce the risk of tax criminal investigations:
- Tax Compliance Management System (Tax CMS): A documented system for ensuring compliance with tax obligations can rebut allegations of intent in investigations
- Regular internal audits: Systematically review tax returns and bookkeeping for errors
- Prompt correction: If you identify an error, correct it immediately through a correction under § 153 AO -- this is not a voluntary disclosure and does not trigger criminal proceedings
- Documentation: Record the reasons for tax structuring decisions and assessments in writing
- Training: Ensure that staff in tax-relevant positions receive regular training
Conclusion
The line between a tax error and tax evasion runs along the question of intent. Those who take their tax obligations seriously, correct errors promptly, and seek expert advice when in doubt significantly minimise the risk of criminal consequences. Should criminal proceedings nonetheless threaten, the timely engagement of a specialist adviser is decisive -- whether for an effective voluntary disclosure or defence in criminal proceedings.
compleneo supports you with tax and legal expertise in the prevention of tax criminal risks, the preparation of voluntary disclosures, and representation in tax investigation proceedings.
