Yes. Turkish banks may ask foreign customers to prove the source of money used for property purchases, investments, company transfers or large international payments. Learn which documents may be requested and what foreigners should do if a transfer is delayed.

Yes. Turkish banks can ask foreign customers to provide information and documents explaining where their money came from, why it is being transferred, who ultimately owns or controls the funds and what economic purpose the transaction serves.

This is particularly relevant when foreigners transfer substantial amounts into Turkey for real estate purchases, company investments, shareholder loans, business acquisitions or other high-value transactions.

Turkish anti-money-laundering legislation requires banks and other regulated financial institutions to conduct customer due diligence, identify persons carrying out transactions and take other necessary measures before processing transactions where the applicable requirements are triggered. Financial institutions must also report transactions where there is information, suspicion or reasonable grounds to suspect that assets were obtained illegally or are being used for unlawful purposes.

Therefore, a bank asking a foreign customer to explain the source of EUR 500,000 being transferred for an apartment in Istanbul does not automatically mean that the customer is accused of money laundering or another offence. In many cases, the bank is performing its ordinary regulatory compliance obligations.

For foreigners purchasing property or conducting business in Ankara, Istanbul, Izmir, Mersin, Bursa and throughout Turkey, preparing source-of-funds documentation before making a major transfer can significantly reduce delays.

What Does “Source of Funds” Mean?

Source of funds generally concerns the immediate origin of the particular money involved in a transaction.

Suppose a foreign investor transfers EUR 600,000 into a Turkish bank account.

The bank may want to know where that EUR 600,000 came from.

Possible explanations include proceeds from selling property abroad, accumulated salary savings, business profits, dividends, inheritance, sale of company shares, investment income, a documented loan or a gift from a family member.

The customer should ideally be able to demonstrate the complete financial chain.

It is not always sufficient simply to say:

“The money belongs to me.”

The bank may reasonably want documentary evidence showing how the customer obtained the money.

Can Turkish Banks Legally Ask These Questions?

Yes.

Law No. 5549 on Prevention of Laundering Proceeds of Crime requires obliged institutions to conduct customer due diligence. Article 3 requires identification of persons carrying out transactions and persons on whose behalf or for whose benefit transactions are conducted, together with other necessary measures.

Official Financial Crimes Investigation Board guidance similarly explains that regulated institutions must obtain sufficient information concerning their customers and customer activities.

These obligations are not limited to Turkish citizens.

Foreign customers using Turkish financial institutions are also subject to the applicable identification, due-diligence and transaction-monitoring framework.

Are Foreigners Subject to Additional Banking Checks?

Foreign nationality alone does not mean that money is suspicious.

However, non-resident customers can present particular compliance considerations.

Official Financial Crimes Investigation Board guidance notes that international anti-money-laundering standards recognize non-resident customers as a category that may present additional risk and that financial institutions may therefore apply enhanced measures according to their risk assessment.

The practical level of scrutiny can depend on several factors, including the customer’s country of residence, transaction amount, source country, business activities, account history, transaction purpose and overall risk profile.

A foreigner transferring EUR 20,000 from a long-established salary account may therefore receive different questions from a customer suddenly receiving several million euros through multiple companies.

Can the Bank Ask for Source of Funds When Opening an Account?

Yes.

Source-of-funds information can form part of customer risk assessment, particularly in remote account-opening procedures.

Official rules governing remote customer identification expressly require information concerning the purpose and nature of the business relationship, the source of the assets involved, the source of the customer’s funds, average income and anticipated account activity.

Therefore, foreigners should not assume that source-of-funds questions arise only after a suspicious transfer.

They may arise when establishing the banking relationship itself.

What Is the Difference Between Source of Funds and Source of Wealth?

The two concepts are related but different.

Source of funds asks where the money involved in the specific transaction came from.

Source of wealth examines more broadly how the customer accumulated their overall financial position.

For example, a foreign entrepreneur transfers EUR 1 million to Turkey.

The immediate source of funds may be dividends recently distributed by the entrepreneur’s company.

The broader source of wealth may be ownership and operation of that company over twenty years.

Depending on the customer’s risk profile and transaction, the bank may seek documentation addressing both issues.

What Documents Can Prove Salary Savings?

A foreign employee may use documents such as employment agreements, salary statements, tax returns and bank statements showing salary payments and accumulation of savings.

The evidence should make financial sense.

For example, a customer earning EUR 40,000 annually who suddenly transfers EUR 2 million and describes the entire amount as “salary savings” may reasonably face additional questions.

Consistency is important.

How Can a Business Owner Prove the Source of Money?

Business owners may need to provide corporate documentation.

Depending on the circumstances, relevant evidence may include company financial statements, dividend resolutions, dividend-payment records, share-sale agreements, invoices, tax documentation and bank statements.

If money moves from a company to its shareholder before being transferred to Turkey, the legal basis of the company-to-shareholder payment should also be identifiable.

The customer should avoid mixing personal and corporate money without documentation.

What If the Money Came from Selling Property Abroad?

This is common among foreigners purchasing Turkish real estate.

For example, a German resident sells a house in Germany for EUR 450,000 and uses the proceeds to purchase an apartment in Istanbul.

The source-of-funds file could include the foreign property sale agreement, ownership-transfer documentation, bank statement showing receipt of the sale proceeds and subsequent transfer records.

This creates a clear documentary trail:

property sale → sale proceeds → customer’s bank account → Turkish property purchase.

That type of coherent transaction history is generally easier to explain than an unexplained lump-sum payment.

Can the Bank Ask for Documents Before a Property Purchase?

Yes.

Foreign property purchases frequently involve large transfers, making source-of-funds documentation particularly important.

A foreign buyer may be asked to provide information concerning the purchase agreement, property, seller, transaction price and origin of the purchase money.

The bank may also seek information necessary to understand the relationship between the payer and recipient.

A buyer should therefore organize the banking documentation before the title transfer deadline rather than waiting until the bank delays the payment.

What If the Property Is Being Purchased for Citizenship Purposes?

The transaction can receive additional documentary scrutiny because the money must correspond with a significant property acquisition and the relevant investment structure.

The buyer should ensure that the payment trail is transparent and consistent with the property transaction.

Using unexplained third-party accounts or undocumented cash arrangements can create unnecessary banking and legal complications.

Foreign buyers pursuing an investment-related citizenship process should coordinate the property, payment and banking documentation before transferring substantial funds.

Can the Bank Ask Where a Cash Deposit Came From?

Yes.

Large cash deposits can create particular compliance questions because the transaction history may be less visible than an ordinary bank-to-bank transfer.

A customer depositing substantial cash may therefore be asked to explain its origin and provide supporting documentation.

Foreign customers should not assume that physically possessing cash proves its legitimate origin.

The bank’s question is likely to concern how the customer acquired the cash.

What If the Money Comes from a Parent or Spouse?

Family transfers are not automatically suspicious or prohibited.

However, the bank may seek an explanation when a significant amount originates from another person.

Suppose a parent transfers USD 300,000 to an adult child purchasing an apartment in Ankara.

The bank may seek evidence concerning the parent’s source of funds and the nature of the transfer.

Is it a gift?

Is it a loan?

Is the parent purchasing the property beneficially?

Is the child expected to repay the money?

The documentation should reflect the real transaction rather than creating an artificial explanation after the bank begins asking questions.

Can a Gift Be Used as Source of Funds?

Potentially, yes.

But a substantial gift should be documented appropriately.

The bank may want to understand who made the gift, the relationship between the parties, where the donor obtained the money and why the transfer was made.

A foreign customer receiving EUR 750,000 from an unrelated third party and describing it simply as a “gift” may reasonably receive more extensive questions.

What About Inherited Money?

Inheritance can constitute a legitimate source of funds.

The customer may need inheritance documentation, estate distribution records and bank statements demonstrating receipt of the inherited assets.

For example, a foreign heir who inherited EUR 350,000 and transfers that money to Turkey to purchase property should preserve the documentary chain from the estate to the Turkish transaction.

What If the Money Comes from Cryptocurrency?

Cryptocurrency-related wealth may require particularly detailed documentation.

The bank may want to understand how the digital assets were originally acquired, the platforms through which they were purchased and sold, the relevant wallet transactions and how the resulting money entered the banking system.

A customer should therefore preserve exchange statements, transaction histories and other evidence capable of explaining the movement of assets.

Simply stating “I made money from cryptocurrency” may not be sufficient for a substantial transfer.

Can the Bank Ask About the Beneficial Owner?

Yes.

Customer due diligence is not limited to identifying the person whose name appears on an account.

Official Financial Crimes Investigation Board materials specifically address identification of persons acting for others and identification of beneficial owners as part of the applicable compliance framework.

This becomes particularly important when companies are involved.

A Turkish bank may therefore seek information about the natural persons ultimately owning or controlling a foreign company sending funds.

Can the Bank Ask for Company Ownership Documents?

Yes.

Foreign companies transferring funds into Turkey should be prepared to establish their corporate structure.

Relevant documentation may include incorporation records, shareholder registers, organizational charts, documents identifying directors and evidence identifying ultimate beneficial owners.

More complex ownership structures may produce more extensive compliance questions.

For example, money arriving through several holding companies in different jurisdictions may require substantially more explanation than a direct payment from an individual investor.

Can the Bank Ask Why the Money Is Being Transferred?

Yes.

Banks are not necessarily interested only in where the money came from.

They may also need to understand the purpose and nature of the transaction or business relationship.

Official rules concerning remote customer identification expressly require information concerning the purpose and nature of the business relationship and expected transaction activity.

Accordingly, a foreign customer should be able to explain whether the transfer represents a property purchase, company investment, shareholder loan, inheritance distribution, purchase of goods, payment for services or another legitimate transaction.

Can the Bank Ask for a Contract or Invoice?

Yes, where those documents are relevant to understanding the payment.

A commercial transfer described as “consultancy payment” may lead the bank to request the consultancy agreement and invoice.

A payment described as a shareholder loan may require the underlying loan documentation.

A property payment may require the purchase agreement.

The purpose is to determine whether the transaction is consistent with the explanation given by the customer.

Can a Bank Question Money That Has Already Been in the Customer’s Account for Years?

Potentially.

The fact that money has remained in an account for some time does not necessarily prevent future compliance questions.

Banks are subject to continuing customer and transaction-monitoring obligations.

Official Financial Crimes Investigation Board guidance describes customer monitoring and maintenance of customer information as part of the anti-money-laundering framework.

Questions may therefore arise when previously dormant money becomes involved in a significant transaction.

Can a Bank Ask for Tax Returns?

Potentially, where tax documentation is relevant to establishing income, wealth or the source of the funds.

For example, a foreign consultant claiming that EUR 500,000 represents accumulated professional income may be asked for documentation consistent with that explanation.

The customer should provide genuine and consistent records.

Creating retroactive invoices, false contracts or fabricated tax documents can create substantially more serious legal problems than the original compliance inquiry.

What Happens If the Foreigner Cannot Prove the Source of Funds?

The consequences depend on the circumstances.

The bank may request additional documents, decline to process a particular transaction, restrict certain services or reconsider the banking relationship according to its compliance obligations and risk policies.

Where legally defined suspicion exists, regulated institutions also have suspicious transaction reporting obligations. Law No. 5549 requires reporting where there is information, suspicion or reasonable grounds to suspect that transaction assets were illegally obtained or are being used for unlawful purposes.

Failure to satisfy a bank’s compliance questions should therefore not be treated casually.

Does a Source-of-Funds Request Mean the Bank Reported the Customer?

No.

A request for documents does not prove that a suspicious transaction report has been filed.

Banks conduct ordinary customer due diligence and ongoing monitoring as part of their regulatory responsibilities.

A customer may therefore be asked for documents without being the subject of any criminal investigation.

Foreigners should avoid treating every compliance question as an accusation.

Can the Bank Refuse to Process the Transfer?

Potentially.

Where customer identification or required due diligence cannot be completed, financial institutions may be unable or unwilling to proceed with certain transactions or relationships under the applicable regulatory framework. Official Financial Crimes Investigation Board materials describe customer due diligence and related measures as core obligations imposed on regulated institutions.

The precise reason for any refusal should be distinguished from a judicial freeze, statutory postponement or other legal restriction.

Can a Foreigner Challenge the Bank’s Decision?

Potentially, depending on the nature of the decision.

The first step is to determine what actually happened.

A bank requesting documents is different from a bank rejecting one payment.

A rejected payment is different from an account restriction.

An internal bank restriction is different from a judicial measure.

Before selecting a remedy, the customer should identify the legal and factual basis of the problem as far as possible.

Should Foreigners Split Large Transfers into Smaller Payments?

Foreigners should not artificially structure transactions merely to avoid compliance monitoring.

If EUR 500,000 is genuinely being paid for one property acquisition, dividing it into numerous unexplained transfers simply to make each transaction appear smaller may create additional questions.

The safer approach is transparency.

Document the source of the EUR 500,000 and document why it is being transferred.

Should Foreigners Use a Friend’s Bank Account?

This can create significant complications.

If a property buyer has legitimate funds, routing them through unrelated friends, employees or intermediaries may make the transaction more difficult to explain.

The bank may then need to understand why the money passed through third parties and who actually owns it.

Where possible, payment structures should reflect the true parties to the underlying transaction.

Practical Example: Property Purchase in Istanbul

A foreign buyer plans to purchase an apartment in Istanbul for EUR 650,000.

The buyer transfers the purchase money from a foreign account, and the Turkish bank requests source-of-funds documentation.

The buyer recently sold another property abroad.

A coherent file could establish the previous property sale, receipt of the proceeds, movement of those proceeds through the buyer’s account and connection with the Turkish purchase.

Practical Example: Company Investment in Ankara

A foreign shareholder transfers EUR 2 million into a company in Ankara.

The bank requests information concerning the shareholder, ultimate beneficial owner and purpose of the payment.

The parties should clearly establish whether the transfer constitutes capital investment, shareholder financing or another payment and provide corporate documentation consistent with that explanation.

Practical Example: Family Money for a Property in Izmir

A foreign buyer receives USD 400,000 from a parent and intends to purchase a villa in Izmir.

The bank asks where the money came from.

The buyer should document the relationship, nature of the family transfer and source of the parent’s money rather than simply describing the payment as “personal.”

Practical Example: Business Income Transferred to Mersin

A foreign entrepreneur transfers accumulated business profits to Turkey for a commercial property acquisition in Mersin.

Company financial records, dividend documentation and bank statements may be used to establish how the money lawfully moved from the business to the individual.

Practical Example: Unexplained Corporate Transfer in Bursa

A foreign company sends a large payment to an individual account connected with an investment in Bursa.

The payment description does not correspond with any contract or invoice.

The bank requests further information.

The parties should establish the genuine legal basis of the transfer rather than creating documentation after the event that does not reflect reality.

Frequently Asked Questions

1. Can a Turkish bank ask a foreigner where their money came from?

Yes. Turkish financial institutions have customer due-diligence and transaction-monitoring obligations.

2. Is asking for source of funds legal?

Yes. Source-of-funds information can form part of risk-based customer due diligence. Official remote-identification rules expressly require information concerning the source of customer funds and assets.

3. Does a source-of-funds request mean I am suspected of money laundering?

Not necessarily. Banks routinely conduct customer due diligence and transaction monitoring.

4. Can property-sale proceeds be used as source of funds?

Yes, provided the customer can document the sale and movement of the proceeds.

5. Can inherited money be accepted?

Potentially, yes. Inheritance documentation and banking records can be used to explain the origin of the funds.

6. Can money received from parents be used?

Yes, but substantial family transfers may require documentation concerning the nature and source of the payment.

7. Can cryptocurrency profits be used?

Potentially, but the customer should be prepared to establish the acquisition, transaction and conversion history.

8. Can the bank ask who ultimately owns a foreign company?

Yes. Beneficial-owner identification forms part of the applicable customer due-diligence framework.

9. Can the bank refuse a transaction if I provide no documents?

Potentially. The outcome depends on the bank’s legal obligations, risk assessment and the circumstances of the transaction.

10. Can foreigners obtain legal assistance if a major transfer remains blocked?

Yes. The transaction documents, bank correspondence and legal basis of any continuing restriction can be reviewed to determine the appropriate next steps.

What Should Foreigners Prepare Before a Large Transfer to Turkey?

Foreigners planning a significant Turkish transaction should prepare their source-of-funds file before the money is transferred.

The file should establish three things clearly: who owns the money, where the money came from and why it is being transferred to Turkey.

A property buyer may need the purchase agreement together with evidence of savings, property-sale proceeds, inheritance, dividends or another legitimate source. A foreign company may need corporate records, beneficial-ownership information and documents explaining whether the payment represents investment capital, a loan or a commercial obligation.

The documentation should be internally consistent. Names, amounts, dates, currencies and transaction descriptions should correspond with the banking records.

Turkish anti-money-laundering rules require financial institutions to know their customers and take appropriate due-diligence measures, while suspicious transactions must be reported when the statutory threshold of information, suspicion or reasonable grounds for suspicion is reached.

Accordingly, the most effective strategy is generally not to avoid compliance questions but to make the legitimate financial history of the transaction easy to verify.

Legal Assistance for Foreigners Facing Source-of-Funds Checks in Turkey

Firat Fesih Kaya Law Office provides legal assistance to foreign individuals, investors, property buyers and companies facing source-of-funds inquiries, bank compliance reviews and transaction restrictions in Ankara, Istanbul, Izmir, Mersin, Bursa and throughout Turkey.

Legal assistance may include reviewing bank requests, organizing source-of-funds evidence, analyzing international property-purchase transfers, family transfers, inheritance funds, company investments, shareholder financing and commercial payments, reviewing beneficial-ownership documentation and determining the legal basis of continuing bank restrictions.

Foreign customers should seek early legal assessment where a substantial property payment or corporate investment is delayed, the bank repeatedly rejects source-of-funds documentation, an account becomes restricted or the issue appears to have progressed beyond an ordinary compliance review.

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

The key 2026 principle is clear: Turkish banks can ask foreign customers to establish the source and purpose of substantial funds as part of their customer due-diligence and anti-money-laundering obligations. A request for documents does not automatically mean that the customer is accused of wrongdoing. Foreigners making large transfers should maintain a transparent documentary chain showing where the money came from, who owns it and why it is being transferred.