Customs Invoice Is Alleged to Be Fake in Turkey: Criminal Liability of Importers and Company Managers (2026 Updated Guide)

Turkish Customs alleges that an import invoice is fake or misleading. Learn about customs penalties, smuggling investigations, importer and manager liability, evidence, seizure and defense strategies in Turkey.

A commercial invoice is one of the central documents used during customs clearance in Turkey. It can affect customs value, product description, quantity, seller and buyer information, payment terms and the calculation of import taxes. For that reason, an allegation that an invoice submitted to Turkish Customs is fake, altered, fabricated or intentionally misleading can develop far beyond an ordinary customs valuation dispute. The importer may face additional customs duties and administrative penalties, goods may be detained or seized, company records may be examined and, depending on the facts, prosecutors may investigate whether criminal conduct occurred.

For foreign-owned businesses, another critical issue is whether a company director, general manager, customs employee or other individual can personally be held criminally responsible merely because their company imported the goods. The answer should not be based only on corporate title. Criminal liability requires an individualized examination of the person’s conduct, knowledge, intent and participation in the alleged offense. A customs irregularity and intentional use of fabricated documentation should therefore be distinguished carefully.

Why Can Turkish Customs Question an Import Invoice?

An invoice may attract scrutiny when the declared price appears unusually low, payment records do not correspond with the invoice, the supplier denies issuing it, two different invoices are discovered for the same shipment, quantities or product descriptions conflict with other records, the invoice appears to have been altered or an audit reveals payments to the supplier that were not reflected in the declared customs value.

The existence of a discrepancy, however, does not automatically prove that the invoice was deliberately fabricated.

A Valuation Dispute Is Not Automatically a Fake-Invoice Case

This distinction is fundamental. Turkish Customs may disagree with the declared customs value without establishing that the commercial invoice itself is false.

For example, a dispute may concern royalties, assists, commissions, related-party pricing, freight, insurance or another element allegedly required to be included in customs value. Such disagreements can generate additional customs exposure without necessarily proving document falsification.

What Does Customs Mean by a “Fake Invoice”?

The precise allegation must be identified. Authorities may claim that the document was never issued by the seller, the price was deliberately changed, the invoice presented to Customs differs from the genuine commercial invoice, the seller’s identity was falsified or the document was created solely for customs purposes.

Each allegation requires a different evidentiary response.

Obtain the Alleged Fake Invoice Immediately

The defense should identify exactly which document authorities consider false. Compare it with the invoice in the company’s accounting system, supplier records, customs declaration and payment file.

Defending against a vague allegation of “false documentation” without examining the disputed document itself is risky.

Compare All Versions of the Invoice

If Customs has discovered multiple invoices, determine why they exist.

A supplier may have issued a pro forma invoice, preliminary invoice, corrected invoice, credit note or final commercial invoice. Multiple documents do not automatically establish fraud if their commercial purpose can be demonstrated.

Pro Forma and Final Commercial Invoices Should Not Be Confused

International transactions frequently involve pro forma documentation before final invoicing. The company should reconstruct the chronology and explain which document represented the final sale.

Dates, invoice numbers, accounting entries and payment records should support that explanation.

Bank Payments Are Critical Evidence

Compare the declared invoice value with actual payments to the foreign supplier. Obtain bank transfer records, payment instructions, letters of credit and relevant account statements.

If payments exceed the invoice value, determine why before authorities characterize the difference as concealed purchase consideration.

Additional Payments Do Not Always Mean Invoice Fraud

Separate payments may concern tooling, technical services, royalties, freight, spare parts, commissions or other commercial obligations.

Whether those amounts affect customs value is a separate legal question from whether the invoice itself was fabricated.

Review the Purchase Contract

The supply agreement can demonstrate the genuine commercial price and payment structure. Review unit prices, discounts, rebates, payment terms, royalties, tooling arrangements and post-import adjustments.

The contract should be compared with the customs declaration and accounting records.

Supplier Confirmation Can Be Important

The foreign supplier should confirm whether it issued the disputed invoice and explain any corrections or replacement documents.

A simple confirmation letter may help, but stronger evidence includes the supplier’s accounting records, sales ledger, order file and bank-payment reconciliation.

Supplier Accounting Records May Become Decisive

If Turkish authorities allege that the invoice was fabricated by the importer, authentic foreign supplier records can help establish what the seller actually charged.

Preserve the original electronic records and document their source.

Email and Messaging Records Should Be Preserved

Commercial correspondence can demonstrate price negotiations and the development of the transaction.

Do not delete emails, messages or attachments after an investigation begins. Selective deletion can create additional evidentiary problems.

Metadata May Become Relevant

Where authorities claim that a PDF or electronic invoice was manipulated, digital forensic examination may help determine creation dates, modifications and document history.

The original electronic file should therefore be preserved rather than relying only on printed copies.

Customs Broker Responsibility Must Be Investigated

Determine which documents the importer supplied to the customs broker and which information the broker entered into the declaration.

Preserve emails, document-transfer records and customs instructions.

A Broker’s Error Does Not Automatically Eliminate Importer Exposure

The importer cannot automatically avoid all customs consequences by saying that the declaration was prepared by a broker. However, the broker’s role can be highly relevant to determining how the discrepancy occurred and whether particular individuals acted intentionally.

When Can a Customs Dispute Become a Criminal Investigation?

A case becomes substantially more serious when authorities suspect deliberate use of false documentation to misrepresent the nature, value, quantity, origin or other characteristics of imported goods or otherwise evade applicable customs controls or financial obligations.

The exact criminal characterization depends on the facts and applicable legislation.

Administrative Liability and Criminal Liability Are Different

Additional customs duties and administrative penalties should be analyzed separately from criminal allegations.

A company may face a customs assessment even where prosecutors cannot establish the elements necessary for personal criminal responsibility.

Does Every Incorrect Invoice Constitute Smuggling?

No such automatic conclusion should be drawn. Clerical mistakes, accounting differences, valuation disagreements and genuine contractual disputes should be distinguished from intentional schemes involving fabricated documents.

The factual chronology matters.

Intent Can Become a Central Defense Issue

Where the alleged offense requires intentional conduct, investigators may examine whether the person knew the invoice was false and deliberately participated in its use.

Evidence concerning how documents were received, reviewed and transmitted can therefore become crucial.

Can the Importing Company Be Criminally Liable?

Turkish criminal-law analysis generally focuses on natural persons. The company’s separate exposure to customs assessments, administrative consequences and measures affecting corporate assets should not be confused with personal criminal liability of managers or employees.

The role of each individual should be investigated separately.

Is the Company Director Automatically Criminally Responsible?

No. Being registered as a company director should not by itself establish that the individual created, knew about or intentionally used a false customs invoice.

Investigators should determine who negotiated the transaction, received the invoice, approved payment, instructed the broker and participated in customs clearance.

Actual Authority Matters

In a large company, customs operations may be handled by logistics, finance, purchasing and customs-compliance departments rather than senior management.

Corporate organization charts, job descriptions, authorization matrices and internal correspondence can help demonstrate actual responsibility.

Signature Authority Alone May Not Prove Participation

A manager may have broad corporate signature authority without personally reviewing each import declaration.

The defense should distinguish formal corporate authority from actual involvement in the disputed transaction.

What If the Manager Approved the Payment?

Payment approval may be relevant evidence but should be considered in context. Determine what documents the manager saw, whether the payment matched the approved purchase contract and whether there was any reason to know that Customs received different information.

What If an Employee Altered the Invoice?

Investigate who made the alteration, why it was made and whether other employees or managers knew about it.

Corporate hierarchy should not replace individualized evidence of participation.

Foreign Managers Face Additional Practical Risks

A foreign executive investigated in Turkey may face difficulties involving language, travel, summonses and access to the investigation file.

Legal representation and interpreter rights should therefore be addressed promptly.

Statements to Police, Customs or Prosecutors Require Care

A manager should understand the allegation and evidence before providing a detailed statement. Where interpretation is required, the accuracy of the translation is particularly important.

The individual should not sign a statement containing terminology they do not understand.

Search and Seizure May Follow

Investigators may seek company computers, accounting records, phones, invoices and other evidence where legally authorized.

The company should preserve evidence and obtain copies or records of seized materials where procedurally available.

Digital Evidence Can Be Crucial

Email systems, ERP records, document-management systems and messaging applications may reveal who received or modified the invoice.

Digital evidence should be evaluated together with its source, integrity and context.

Goods May Be Detained or Seized

If the disputed invoice relates directly to the imported goods, authorities may take measures affecting the shipment depending on the legal basis and stage of the case.

The company should obtain the formal seizure or detention documentation immediately.

Can Seized Goods Be Released?

Potentially, depending on why they were seized, their evidentiary importance, applicable customs status and the procedural stage.

A request for release should address both the legal basis of seizure and whether continued physical possession of the goods is necessary.

Preserve Evidence Before Goods Are Disposed Of

If product characteristics, quantity or quality are relevant to the invoice dispute, preserve photographs, inspection reports, serial numbers and other evidence.

Physical evidence can become important later in both customs and criminal proceedings.

Customs Valuation Should Be Defended Separately

Even if the criminal allegation is contested, the company should address the underlying customs-value calculation.

Determine what Customs considers the correct transaction value and why.

Undeclared Royalties Can Complicate the Case

Where an audit discovers royalty or license payments, Customs may argue that additional amounts should have been included in customs value.

That question should first be analyzed under customs valuation rules rather than automatically characterized as proof of a fake invoice.

Related-Party Imports Require Careful Documentation

Transactions between affiliated companies may receive additional scrutiny. Preserve transfer-pricing policies, intercompany agreements, invoices and evidence explaining how prices were determined.

Related-party status alone does not prove invoice falsification.

Discounts Should Be Supported

If the imported goods were purchased at a significant discount, preserve the commercial reason.

Volume discounts, clearance sales, long-term customer pricing, defective goods or market conditions may explain a lower price if supported by genuine evidence.

Post-Import Price Adjustments Should Be Traceable

Credit notes, debit notes and year-end pricing adjustments can create apparent discrepancies between the original invoice and final accounting position.

Maintain a clear transaction history.

Origin and Invoice Allegations Can Overlap

Authorities may suspect that the invoice identifies a supplier in one country while the goods actually originate elsewhere.

Country of sale, country of export and country of origin should be distinguished carefully.

Do Not Create New Documents After the Investigation Begins

Companies sometimes attempt to “fix” incomplete customs files by generating documents retrospectively. This can severely damage credibility.

Any later explanatory document should be transparently identified as having been prepared after the event.

Do Not Backdate Supplier Confirmations

A supplier can explain historical facts today, but the confirmation should bear its genuine date.

Backdating creates unnecessary criminal risk.

Conduct an Internal Investigation

Where the allegation is serious, reconstruct the entire transaction: purchase order, supplier negotiations, invoice issuance, payment, shipping, customs declaration, broker instructions and accounting entries.

The objective is to identify the source of the discrepancy before providing inconsistent explanations to authorities.

Review Historical Imports

If the disputed invoicing practice was used repeatedly, Customs may review earlier declarations.

Create a shipment-by-shipment matrix covering invoice values, payments, suppliers, customs declarations and relevant adjustments.

One Problematic Invoice Does Not Automatically Prove Every Import Was False

Historical transactions should be examined individually. Suppliers, contracts, prices and circumstances may differ.

Avoid unnecessary admissions concerning unrelated declarations.

Protect the Customs Appeal Deadline

If additional duties or customs penalties are formally notified, the applicable administrative objection period should be identified immediately.

The criminal investigation does not necessarily suspend or replace separate customs remedies.

Run the Customs and Criminal Defenses Together

A fragmented strategy can be dangerous. An argument made in the customs objection should not contradict the manager’s criminal defense.

The factual chronology should be consistent across proceedings.

Expert Accounting Evidence May Help

Where the dispute involves complex payments, transfer pricing or multiple invoices, forensic accounting analysis can reconstruct the commercial transaction.

This can help distinguish genuine business payments from allegedly concealed purchase consideration.

Digital Forensic Examination May Also Be Necessary

If document manipulation is alleged, technical examination of the original invoice file, email attachment and company systems can help establish who created or modified the document.

Foreign Supplier Cooperation Is Essential

A supplier outside Turkey may possess the strongest evidence concerning the genuine invoice.

Contracts should require reasonable cooperation with customs investigations and production of transaction records.

Contractual Claims Against the Supplier May Arise

If the supplier actually provided false or misleading documentation, the Turkish importer may have contractual claims for additional duties, penalties, storage costs and other losses.

Applicable law and dispute-resolution clauses should be reviewed.

What If the Importer Was Deceived by the Supplier?

Preserve evidence demonstrating the information supplied by the seller and the importer’s reliance on it.

This can be highly relevant when evaluating knowledge and intent, although the customs consequences of incorrect documentation must still be addressed separately.

What If the Investigation Is Based on a Misunderstanding?

Provide a structured reconciliation rather than a general denial. Show the contract price, invoice, bank payment, accounting entry, shipment and customs declaration together.

A coherent documentary chain can be much more persuasive than isolated explanations.

Emergency Defense Checklist

A foreign-owned company facing a fake customs invoice allegation should immediately obtain the disputed invoice and customs documents, preserve all versions of the invoice, reconcile payments with accounting records, contact the foreign supplier, preserve emails and original electronic files, identify who instructed the customs broker, obtain seizure and investigation records, determine which managers or employees actually participated, protect customs objection deadlines and coordinate customs, criminal and contractual defenses.

Frequently Asked Questions

Does an incorrect customs invoice automatically constitute a crime in Turkey?

No automatic conclusion should be made. The reason for the incorrect information, the nature of the document and the individual’s knowledge and conduct must be examined.

Can Turkish Customs impose additional duties even if there is no criminal conviction?

Customs debt and administrative liability are separate from criminal responsibility and must be analyzed under their own legal requirements.

Is a company director automatically liable for a false invoice?

No. Personal criminal responsibility requires an individualized assessment of the director’s conduct, knowledge and participation.

Can a customs broker be responsible?

The broker’s role may be relevant depending on who supplied the information, prepared the declaration and knew about the alleged discrepancy.

Can bank records help prove the invoice was genuine?

Yes. Payment records can be important evidence when reconstructing the actual transaction price, although all associated payments should be examined.

What if there are two invoices for the same shipment?

The company should explain why both exist. One may be a pro forma, corrected or replacement invoice. Two invoices do not automatically prove fraud.

Can Customs seize the imported goods?

Measures affecting the goods may be imposed depending on the legal basis and circumstances of the investigation. The formal seizure or detention decision should be obtained and reviewed.

Can the importer recover seized goods?

Potentially, depending on the reason for seizure, evidentiary necessity and applicable procedure. Continued seizure can be challenged where the legal conditions are not satisfied.

What if the foreign supplier created the false document without the importer’s knowledge?

The importer’s knowledge and conduct become particularly important to the criminal defense. Supplier responsibility and contractual recovery should also be investigated.

What should foreign companies do first?

Preserve the original transaction evidence before giving detailed explanations. The purchase contract, genuine invoice, bank payments, supplier accounting records, customs-broker instructions and electronic document history should be reconstructed together so that customs liability and individual criminal responsibility can be analyzed separately.

Client-Focused Legal Support for Customs Invoice and Smuggling Investigations

Allegations involving false customs invoices can expose foreign-owned companies to additional customs duties, administrative penalties, goods seizure, digital evidence investigations, searches and criminal proceedings against managers or employees. Fırat Fesih Kaya Law Office assists foreign investors, international companies, Turkish importers and company executives facing customs and smuggling investigations in Turkey. Lawyer Fırat Fesih Kaya provides legal assistance in coordinating customs objections and criminal defense, reviewing invoice and payment evidence, challenging seizures, preparing company managers for investigative proceedings and pursuing contractual claims against foreign suppliers where inaccurate documentation caused the dispute.

Phone:
+90 312 434 22 22

Mobile:
+90 532 769 22 22

Email:
info@firatfesihkaya.av.tr

Address:
Mevlana Boulevard No:221, Yıldırım Tower, Office No:148, 06520 Balgat, Çankaya, Ankara, Turkey