Can a bank transfer trigger a criminal investigation in Turkey? Learn what foreigners should do if questioned about suspicious transfers, MASAK reports, frozen bank accounts, money laundering allegations, fraud investigations and prosecutor proceedings.

A bank transfer in Turkey can become the starting point of a criminal investigation, particularly where prosecutors, banks or financial intelligence authorities identify transactions that appear inconsistent with the account holder’s known income, commercial activity or stated purpose. For foreigners living, investing, working or operating companies in Turkey, the situation can be especially confusing because an ordinary international transfer, payment received for another person, cryptocurrency transaction, company payment or unexplained incoming transfer may suddenly result in questions from the bank, MASAK-related scrutiny, a prosecutor’s investigation or restrictions affecting the bank account. However, receiving or transferring money does not by itself establish that a criminal offense has been committed. Turkish anti-money-laundering legislation requires financial institutions and other obliged parties to report transactions where there is information, suspicion or reasonable grounds to suspect that the assets involved were obtained illegally or are being used for illegal purposes. The legal question in a criminal investigation is therefore usually not simply whether money entered or left the account, but where the money came from, why it was transferred, whose money it was, what the account holder knew and whether the transaction can be supported by legitimate evidence.

Why Can a Bank Transfer Trigger an Investigation in Turkey?

Banks operating in Turkey are subject to anti-money-laundering and customer due diligence obligations. They must identify customers, understand relevant customer activity and report suspicious transactions where the statutory conditions are satisfied. MASAK’s framework expressly treats customer identification, customer due diligence and suspicious transaction reporting as fundamental preventive obligations. (Hazine ve Maliye Bakanlığı)

A Large Transfer Is Not Automatically Illegal

There is no general rule stating that receiving a large amount of money automatically constitutes money laundering, fraud or another criminal offense. The amount is only one part of the overall assessment. A legitimate property sale, investment, inheritance, commercial payment or transfer between family members can involve substantial sums.

Transaction Pattern Can Matter More Than the Amount

Authorities and banks may pay particular attention where the transaction appears inconsistent with the customer’s financial profile. MASAK materials identify unusual domestic or international electronic transfers that cannot reasonably be connected with the customer’s known occupation, activities, income source or income level as potentially suspicious patterns. (Hazine ve Maliye Bakanlığı)

Example

A foreign national living in Turkey normally receives approximately EUR 3,000 per month. The account suddenly receives EUR 400,000 from several unrelated individuals and most of the money is transferred to other accounts within two days. This does not automatically prove criminal conduct, but the transaction pattern can reasonably generate questions.

International Transfers Can Receive Additional Scrutiny

Foreigners frequently transfer money between Turkey and accounts abroad for legitimate reasons, including property purchases, company investments, family support, tuition, business activities and savings. International character alone does not make a transfer unlawful.

But Unexplained Cross-Border Movement Can Be a Red Flag

MASAK guidance has historically identified unusually large international transfers, inadequately explained electronic transfers and accounts used essentially as pass-through accounts as potentially suspicious patterns. (Hazine ve Maliye Bakanlığı)

What Is a Suspicious Transaction Report?

Under Article 4 of Law No. 5549, where an obliged institution has information, suspicion or reasonable grounds for suspicion that assets involved in an attempted or completed transaction were obtained illegally or are being used for illegal purposes, the transaction must be reported to MASAK. (Hazine ve Maliye Bakanlığı)

Does a Suspicious Transaction Report Mean You Are Guilty?

No. A suspicious transaction report is not a criminal conviction and does not itself establish that the money represents criminal proceeds.

The Bank May Not Tell You About the Report

This surprises many foreigners. Law No. 5549 prohibits obliged parties from disclosing to the transaction parties that a suspicious transaction report has been submitted to MASAK, except within the legally permitted framework. (Hazine ve Maliye Bakanlığı)

Therefore the Bank May Give Limited Information

A customer may ask: “Did you report me to MASAK?” The bank may not be legally able to provide the answer the customer expects.

MASAK and the Prosecutor Are Not the Same Institution

MASAK is Turkey’s Financial Crimes Investigation Board and performs functions within the anti-money-laundering framework. A criminal investigation, on the other hand, is conducted through the criminal justice system under the authority of the public prosecutor.

A MASAK Review Does Not Automatically Mean a Criminal Case

Financial analysis may reveal a legitimate explanation. Alternatively, information may be transmitted to competent authorities where circumstances warrant further investigation.

2025–2026 Compliance Environment

MASAK updated its suspicious transaction reporting guides in September 2025, stating that the revisions reflected sector-specific risks and the updated 2025 National Risk Assessment. Those guides continue to form part of the current compliance environment relevant to financial institutions in 2026. (Hazine ve Maliye Bakanlığı)

Why Was My Turkish Bank Account Frozen?

The expression “MASAK freeze” is often used loosely. In practice, it is important to determine who imposed the restriction and under which legal authority.

Bank Compliance Restriction

A bank may restrict certain transactions while conducting internal compliance procedures.

Temporary Suspension Under Law No. 5549

Article 19/A of Law No. 5549 provides a mechanism under which suspicious transactions connected with suspected money laundering or terrorism financing may be suspended or prevented from being completed for up to seven working days while the suspicion is analyzed and, where necessary, transmitted to competent authorities. (Hazine ve Maliye Bakanlığı)

Prosecutor or Court Seizure

A criminal investigation can separately involve judicial seizure or restrictions over assets. This is legally different from a bank’s internal compliance restriction or the temporary mechanism under Law No. 5549.

Find Out Who Issued the Order

This is one of the first steps in defending a frozen-account case. The legal remedy depends on the legal source of the restriction.

What Types of Bank Transfers Commonly Generate Criminal Investigations?

Cases frequently involve allegations connected with online fraud, investment fraud, cryptocurrency transactions, illegal betting, account-rental schemes, laundering of criminal proceeds, fraudulent e-commerce, unauthorized payment services or transfers allegedly linked to another person’s criminal activity.

Receiving Fraud Proceeds

A particularly difficult scenario arises where money originating from a fraud victim enters the foreigner’s bank account.

Example

A fraud victim transfers TRY 200,000 believing that the payment is for an investment. The money enters Account A. Within minutes, Account A transfers TRY 190,000 to Account B. The owner of Account A may become part of the investigation even if another person actually organized the fraud.

“I Did Not Know the Money Was Criminal” Can Be Central

The account holder’s knowledge and conduct can be critical to determining criminal responsibility.

Account Ownership Is Evidence, Not Automatically Proof of Guilt

The fact that money entered an account registered in your name is important evidence. But it does not automatically prove that you organized the underlying fraud or knew the money represented criminal proceeds.

Never Give Your Bank Account to Another Person

Foreigners sometimes allow friends, business partners, employers or acquaintances to use their Turkish bank accounts because those individuals cannot receive a payment themselves.

This Creates Serious Risk

When disputed money enters the account, the registered account holder is immediately identifiable.

“I Was Only Helping My Friend”

That explanation may be true, but investigators will usually ask why the friend needed another person’s account and what happened to the money afterward.

Preserve the Conversation

Messages explaining why the transfer occurred can become important evidence.

Do Not Delete WhatsApp or Telegram Messages

Deleting communications after learning of an investigation can make reconstructing the legitimate explanation significantly more difficult.

Payments Received for Someone Else

Turkish AML legislation also specifically addresses situations where someone acts in their own name but for the benefit of another person in transactions requiring customer identification. Article 15 of Law No. 5549 provides criminal consequences where the person fails to disclose in writing that they are acting for someone else’s benefit as required by the provision. (Hazine ve Maliye Bakanlığı)

Foreigners Should Be Particularly Careful With Informal Money Transfers

Avoid arrangements such as: “Receive this money for me and send it to someone else,” “Let me use your IBAN,” or “Withdraw this cash and give it to my friend.”

Pass-Through Accounts Attract Attention

MASAK materials identify patterns where incoming international funds are shortly afterward transferred abroad again, or where accounts function essentially as transit accounts, as potentially suspicious transaction patterns. (Hazine ve Maliye Bakanlığı)

Cryptocurrency Transfers

Crypto transactions can also become part of a bank-transfer investigation where fiat money moves between bank accounts and cryptocurrency platforms.

Crypto Ownership Is Not Automatically Criminal

Purchasing or selling cryptocurrency does not by itself establish money laundering.

Trace the Complete Transaction

If a transfer relates to cryptocurrency, preserve the complete chain: Bank Account → Cryptocurrency Platform → Transaction → Wallet → Sale/Transfer → Withdrawal.

Exchange Records

Account statements and transaction histories from the cryptocurrency service provider can help establish the origin and destination of funds.

Wallet Addresses

Preserve relevant wallet addresses and transaction identifiers.

Do Not Fabricate Screenshots

Original platform records are significantly stronger evidence than manually prepared explanations.

Company Bank Transfers

Foreign shareholders and directors may also become involved where suspicious payments pass through a Turkish company’s account.

Company Money Is Not Automatically Director’s Personal Money

Corporate transactions should be analyzed through company books, invoices, agreements and authorization records.

Identify Who Ordered the Payment

Bank authorization records can become important.

Multiple Directors

A foreign director should not automatically be considered responsible for every transaction simply because they are registered as a company manager.

Actual Control Matters

Investigators may examine who had internet banking access, who possessed authentication devices, who instructed accounting personnel and who communicated with the recipient.

Fraudulent Business Partner

A foreign investor may discover that a Turkish partner used company accounts for suspicious transactions without authorization.

Preserve Corporate Evidence Immediately

Secure accounting records, bank statements, invoices, board resolutions, emails and internal messages.

Do Not Alter Company Books After the Investigation Begins

Corrections should be transparent and supported by original records.

Property Purchase Transfers

Foreigners purchasing property in Turkey frequently make substantial international transfers.

Preserve the Entire Property File

Keep the sale agreement, title deed records, valuation documents, bank transfer receipts and correspondence with the seller.

Transfer Description Helps

A clear payment description can support the commercial explanation, although it is not conclusive by itself.

Family Transfers

Money transferred between family members can also be legitimate.

Document the Source

Where the amount is substantial, preserve evidence showing how the sending family member obtained the funds and why the money was transferred.

Loans Between Individuals

Informal loans can become difficult to prove after an investigation starts.

Written Loan Agreement

A contemporaneous agreement is substantially stronger than a document created only after the police begin asking questions.

Commercial Payments

Businesses should preserve invoices, contracts, delivery records and accounting entries corresponding to significant bank transfers.

Invoice Alone May Not Be Enough

Authorities may investigate whether the underlying transaction actually occurred.

Prove Delivery

For goods, preserve shipping and customs documentation.

Prove Services

For services, preserve reports, correspondence, deliverables and contractual records.

Cash Withdrawals After Incoming Transfers

Rapid cash withdrawal can create additional questions because tracing the destination becomes harder.

Explain Who Received the Cash

Receipts, communications and contemporaneous records can become important.

ATM Withdrawals

Investigators may examine timing, location and available camera records.

Foreign Currency Exchange

Where money was converted before being transferred, preserve bank or authorized exchange documentation.

Money Laundering Allegations

Article 282 of the Turkish Criminal Code governs laundering of assets derived from crime. Law No. 5549 itself expressly defines the laundering offense by reference to Article 282. (Hazine ve Maliye Bakanlığı)

Predicate Crime Matters

A laundering investigation generally requires examination of the alleged criminal origin of the assets.

Prosecutors May Investigate the Underlying Offense

For example, the investigation may concern both alleged fraud and subsequent movement of the proceeds.

A Foreign National Has the Same Need for an Individualized Criminal Assessment

Nationality does not transform an otherwise legitimate transfer into a criminal transaction.

Language Rights Matter

A foreign suspect who cannot adequately understand Turkish may require interpretation during criminal proceedings.

Do Not Sign a Statement You Do Not Understand

The contents of a police or prosecutor statement can materially affect the investigation.

Police Summons

If police contact a foreign national about a bank transfer, the first objective should be to determine the procedural status of the person and the allegation being investigated.

Witness or Suspect?

This distinction matters.

Ask for the Investigation Information Available Through Proper Procedure

The defense needs to understand which transaction is being questioned.

Do Not Prepare a Generic Explanation

Identify the exact transfer.

Build a Transaction Timeline

For every disputed payment record: Date → Sender → Amount → Reason → Supporting Document → Subsequent Movement of Funds.

Example

3 February: EUR 80,000 received from Company X. Reason: machinery purchase refund. Evidence: terminated supply agreement and invoice. 5 February: EUR 75,000 returned to parent company. Evidence: board resolution and bank receipt.

Source of Funds

This is often the central question.

Salary

Provide employment and payroll documentation.

Business Revenue

Provide contracts and invoices.

Property Sale

Provide title and sale records.

Investment

Provide investment account documentation.

Inheritance

Provide inheritance documentation and corresponding banking records.

Loan

Provide the agreement and evidence of the lender’s payment.

Previous Savings

Historical bank statements may establish accumulation over time.

Foreign Bank Statements

These can be particularly important where money originated outside Turkey.

Translation

Foreign-language financial records may need appropriate Turkish translation depending on the proceeding.

Do Not Submit Hundreds of Unorganized Pages

A structured transaction map can make complex financial evidence easier to understand.

Bank Account Seizure

Where a prosecutor or court has imposed a judicial measure affecting an account, the defense should identify the exact decision, scope, amount and legal basis.

Is the Entire Account Restricted?

A disputed transfer of TRY 100,000 does not necessarily mean every asset held by the person has the same evidentiary relationship with the alleged offense.

Proportionality Can Matter

The relationship between the suspected proceeds and the property affected by the measure should be examined under the applicable procedural framework.

Multiple Bank Accounts

Investigators may examine accounts at several banks where they believe funds moved through a network.

Follow the Money

Financial investigations commonly reconstruct: Victim → First Recipient → Intermediate Accounts → Crypto/Foreign Account/Cash → Final Beneficiary.

Your Position in the Chain Matters

A person who unknowingly receives one payment may have a fundamentally different position from the person who organized the transaction and controlled the final proceeds.

Commission Payments Are Dangerous

If the account holder kept a percentage merely for allowing money to pass through the account, prosecutors may examine why compensation was received and what the person understood about the transaction.

“Easy Money” Account Schemes

Foreign students and temporary residents can be approached with offers to receive transfers in exchange for a commission.

Avoid Them Completely

The short-term payment is not worth the potential exposure to fraud and money-laundering investigations.

What If Your Identity Was Stolen?

A bank account or payment instrument may have been accessed without authorization.

Obtain Login Information

Bank records concerning devices, IP addresses and authentication can become important.

Report Unauthorized Access

The timing of the report may help establish when the account holder became aware of the activity.

SIM Card Fraud

Where authentication was compromised, telecommunications evidence may also become relevant.

What If Your Business Partner Controlled the Account?

Document banking authority and actual access.

Signature Circular

Corporate signature records may help, but online banking permissions can be even more important.

Accounting Personnel

Identify who prepared and executed payments.

Bank Transfer Description Is Evidence

Descriptions such as “loan repayment,” “property deposit” or an invoice number can support the transaction’s purpose.

But Description Alone Does Not Prove Legitimacy

Authorities may investigate whether the stated underlying transaction actually existed.

Never Backdate Contracts

Creating a false contract after the investigation begins can transform an explainable banking issue into a much more serious evidentiary problem.

Preserve Original Metadata

Original emails and electronic documents may help establish that agreements existed before the transfer.

Can MASAK Suspend a Transaction?

Yes. Article 19/A of Law No. 5549 permits qualifying transactions suspected of links to money laundering or terrorism financing to be suspended or prevented from proceeding for up to seven working days for analysis and possible referral to competent authorities. (Hazine ve Maliye Bakanlığı)

Seven Working Days Does Not Mean Every Account Restriction Must End After Seven Days

This distinction is important. The Article 19/A mechanism should not be confused with separate judicial measures that may arise during a criminal investigation.

Therefore Identify the Legal Basis

Ask whether the problem is a bank compliance restriction, Article 19/A transaction suspension or a judicial seizure measure.

Residence Permit Consequences

A criminal investigation does not automatically mean that every foreigner’s residence permit is cancelled.

Immigration and Criminal Proceedings Are Separate

However, serious criminal allegations, judicial decisions or public-order considerations can potentially create separate immigration consequences depending on the facts.

Do Not Ignore Immigration Status

Foreign nationals facing serious financial-crime investigations should assess criminal and immigration risks together.

Travel Restrictions

A criminal investigation does not automatically prevent a foreign national from leaving Turkey.

Judicial Control Is Different

Where a court imposes a prohibition on leaving the country as a judicial-control measure, the person must comply until the measure is lifted or changed.

Do Not Assume You Can Travel Because Your Passport Is Physically With You

The existence of a judicial restriction should be checked separately.

First 24 Hours After Learning About the Investigation

Identify the questioned transfer, determine whether the account is restricted, establish whether there is a prosecutor’s investigation and preserve all relevant banking and communication evidence.

First 48 Hours

Prepare the financial chain: Source of Money → Sender → Your Account → Reason for Transfer → Subsequent Destination → Ultimate Beneficiary.

First 72 Hours

Collect contracts, invoices, bank statements, messages, cryptocurrency records, corporate documents and foreign-source evidence necessary to explain the transaction.

Do Not Contact the Alleged Victim to Coordinate Stories

This can create additional evidentiary problems.

Do Not Move Remaining Funds to Hide Them

Transfers made after learning of the investigation may be scrutinized closely.

Do Not Delete Digital Evidence

Preserve relevant messages and documents.

Do Not Invent Commercial Explanations

If the transfer was genuinely a personal loan, say so and support it. Do not convert it retrospectively into a fictitious consultancy invoice.

Do Not Assume Foreign Documents Are Useless

Foreign bank statements and contracts may be central to proving the lawful source of funds.

Criminal Defense Should Follow the Money

The strongest defense in many banking investigations is documentary reconstruction rather than a general denial.

2026 Legal Strategy for Foreigners Investigated After a Bank Transfer

A foreign national facing a criminal investigation after a bank transfer in Turkey should first identify the exact transaction being questioned and distinguish between a bank compliance restriction, MASAK-related process and judicial criminal measure. The entire financial chain should then be reconstructed using objective records. The source of the funds, commercial or personal reason for payment, relationship between sender and recipient, subsequent movement of the money and ultimate beneficiary should all be documented. Where the account was used by another person, evidence concerning access and authorization becomes particularly important. Where cryptocurrency was involved, bank transfers should be connected with exchange and blockchain transaction records. Where the transaction involved a company, actual banking authority and corporate records should be examined rather than assuming responsibility solely from a person’s title as shareholder or director. A suspicious transaction report does not establish criminal guilt, and a large or international transfer is not automatically unlawful. The practical roadmap is therefore: identify the disputed transfer → determine the procedural status of the investigation → identify who imposed any account restriction → preserve bank records → document the source of funds → establish the purpose of the payment → trace subsequent transfers → identify the ultimate beneficiary → preserve messages and contracts → obtain foreign bank records → document cryptocurrency transactions where relevant → establish who controlled the account → prepare an organized transaction timeline → challenge unsupported assumptions about knowledge or intent → evaluate account-seizure remedies → assess any travel or immigration consequences separately → maintain complete evidence until the investigation is concluded.

Frequently Asked Questions

1. Can receiving a large bank transfer cause a criminal investigation in Turkey?

Potentially, particularly where the amount, source or transaction pattern appears inconsistent with the customer’s known financial activity. However, a large transfer alone does not establish criminal conduct.

2. Does a MASAK suspicious transaction report mean I am accused of money laundering?

No. Financial institutions are legally required to report transactions where the statutory suspicion threshold is met. A suspicious transaction report does not itself prove that the funds are criminal proceeds. (Hazine ve Maliye Bakanlığı)

3. Can my bank tell me whether it reported me to MASAK?

Generally, obliged institutions are prohibited from disclosing suspicious transaction reporting to the transaction parties outside the legally permitted circumstances. (Hazine ve Maliye Bakanlığı)

4. Can my Turkish bank account be frozen during the investigation?

Potentially. However, different legal mechanisms can produce account restrictions. It is essential to determine whether the restriction originates from bank compliance procedures, a temporary AML transaction suspension or a judicial seizure measure.

5. What evidence can prove that a bank transfer was legitimate?

Bank statements, contracts, invoices, property-sale documents, loan agreements, company accounting records, correspondence, cryptocurrency transaction records and evidence showing the lawful source of funds can all be important.

6. Can I be prosecuted because someone sent fraud proceeds to my account?

The transfer can make you part of the investigation, but criminal responsibility must be determined according to the applicable offense and your actual conduct, knowledge and involvement. Account ownership alone does not automatically prove participation in the underlying fraud.

7. What if I allowed a friend to use my bank account?

This can create substantial legal risk. Investigators may examine why your account was used, whether you knew the source of the money, what happened to the funds and whether you received compensation.

8. Can cryptocurrency transactions be investigated together with my bank account?

Yes. Where funds move between a bank and cryptocurrency services, investigators may examine the complete transaction chain. Exchange records, wallet addresses and transaction identifiers should be preserved.

9. Can a bank-transfer investigation affect my residence permit in Turkey?

A criminal investigation does not automatically cancel a residence permit. Criminal proceedings and immigration status are legally distinct, although serious allegations or resulting decisions can create separate immigration issues depending on the circumstances.

10. Can I leave Turkey while the bank-transfer investigation is continuing?

The existence of an investigation alone does not automatically create a travel ban. However, if a competent court imposes a prohibition on leaving Turkey as a judicial-control measure, that restriction must be addressed separately.

Legal Support for Foreigners Facing Bank Transfer Investigations in Turkey

A suspicious bank transfer can lead to MASAK scrutiny, frozen accounts, fraud allegations, money-laundering investigations, prosecutor proceedings, asset seizure and potential immigration concerns for foreign nationals.

Fırat Fesih Kaya Law Office provides legal assistance to foreign nationals, foreign investors, company shareholders, directors and international businesses facing bank-transfer and financial-crime investigations in Turkey.

Fırat Fesih Kaya can assist with suspicious bank transfer investigations, MASAK-related proceedings, frozen bank accounts, prosecutor and police statements, fraud allegations, money-laundering investigations, cryptocurrency-related financial investigations, asset seizure objections and related immigration consequences.

Phone: +90 312 434 22 22
Mobile Phone: +90 532 769 22 22
Email: info@firatfesihkaya.av.tr
Address: Mevlana Boulevard No: 221, Yildirim Tower, Balgat, Cankaya / Ankara, Turkey