Learn how bank guarantees work in Turkey, the legal rights of beneficiaries and applicants, wrongful calls, demand guarantees, bank liability, dispute resolution, and practical legal protection for international businesses in 2026.

Bank guarantees are among the most frequently used financial security instruments in Turkish commercial transactions. Domestic companies, foreign investors, construction contractors, importers, exporters, and multinational corporations regularly rely on bank guarantees to secure contractual obligations, reduce financial risk, and strengthen commercial confidence.

Although a bank guarantee offers valuable protection, it is not free from legal risks. Disputes often arise regarding wrongful demands, abusive calls, fraudulent claims, expiry dates, guarantee wording, and the liability of issuing banks. A poorly drafted guarantee may expose both the applicant and the beneficiary to significant financial losses.

As of 2026, bank guarantees issued in Turkey are governed by Turkish law, the terms of the guarantee itself, relevant banking regulations, and, where applicable, international rules such as the ICC Uniform Rules for Demand Guarantees (URDG 758) when expressly incorporated.

This guide explains how bank guarantees operate in Turkish commercial transactions, the rights and obligations of the parties, common legal disputes, and practical strategies for protecting commercial interests.

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What Is a Bank Guarantee?

A bank guarantee is an independent undertaking issued by a bank to pay a specified amount to a beneficiary if the applicant fails to perform certain contractual obligations.

Unlike ordinary contractual guarantees, a bank guarantee creates an independent legal relationship between the issuing bank and the beneficiary.

Typical parties include:

• Applicant
• Beneficiary
• Issuing bank
• Counter-guarantor (where applicable)
• Confirming or advising bank (in international transactions)

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Common Types of Bank Guarantees in Turkey

Businesses frequently use:

• Bid guarantees
• Performance guarantees
• Advance payment guarantees
• Warranty guarantees
• Retention guarantees
• Customs guarantees
• Tax guarantees
• Court guarantees
• Payment guarantees
• Rental guarantees
• Energy project guarantees
• Public procurement guarantees

Each type serves a different commercial purpose and contains different legal risks.

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Independent Nature of Bank Guarantees

One of the most important legal principles is independence.

The bank’s payment obligation is generally separate from:

• The construction contract
• The sales agreement
• The service agreement
• The supply contract
• The underlying commercial dispute

This means that disputes regarding contractual performance do not automatically prevent payment under the guarantee.

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Conditional vs. On-Demand Guarantees

On-Demand Guarantees

An on-demand guarantee allows the beneficiary to demand payment by presenting the documents or declaration specified in the guarantee.

The bank usually examines only whether the demand complies with the guarantee terms.

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Conditional Guarantees

Conditional guarantees require proof that specified contractual conditions have occurred before payment becomes due.

These guarantees often generate more litigation because contractual facts must be established.

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Does URDG 758 Automatically Apply?

No.

URDG 758 applies only when the guarantee expressly incorporates it.

Where incorporated, it supplements the contractual terms while Turkish mandatory legal rules continue to apply where relevant.

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Main Legal Risks

Wrongful Demand

The most common dispute involves allegations that the beneficiary demanded payment improperly.

Examples include:

• No contractual breach
• Contract already completed
• Payment already made
• Guarantee expired
• Demand exceeds guarantee amount
• Required documents missing

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Fraudulent Calls

Turkish courts may intervene in exceptional situations involving:

• Fraud
• Abuse of rights
• Bad faith
• Forged documents
• Clearly dishonest demands

However, ordinary contractual disputes are usually insufficient to prevent payment.

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Ambiguous Wording

Poor drafting frequently causes disputes concerning:

• Expiry dates
• Demand procedure
• Required documents
• Partial payments
• Maximum liability
• Currency
• Governing law
• Jurisdiction
• Extension clauses

Every guarantee should be reviewed before issuance.

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Expiry of the Guarantee

Many disputes arise because parties misunderstand:

• Fixed expiry dates
• Claim periods
• Automatic extensions
• Return obligations
• Reduction clauses

Once the guarantee expires, payment rights may also expire unless valid claims were submitted in time.

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Bank’s Duty When Receiving a Demand

The issuing bank generally examines:

• Identity of claimant
• Required documents
• Formal compliance
• Timely presentation
• Guarantee wording

The bank does not normally investigate the actual commercial dispute.

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Can the Bank Refuse Payment?

The bank may refuse payment where:

• Demand is late
• Required documents are missing
• Documents do not comply
• Guarantee expired
• Claim exceeds guarantee amount
• Fraud is legally established
• Court injunction exists

Each refusal depends upon the guarantee wording and applicable law.

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Rights of the Beneficiary

A beneficiary generally has the right to:

• Submit a complying demand
• Receive payment where requirements are satisfied
• Challenge unlawful refusal
• Claim interest where appropriate
• Pursue litigation or arbitration if necessary

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Rights of the Applicant

The applicant may:

• Challenge fraudulent demands
• Seek interim injunctions in exceptional circumstances
• Claim damages for abusive calls
• Sue for unjust enrichment
• Pursue contractual remedies against the beneficiary

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Can Turkish Courts Stop Payment?

Only in exceptional situations.

Courts may consider interim measures where there is convincing evidence of:

• Fraud
• Manifest abuse
• Forged documents
• Bad-faith demand

Simple allegations of defective performance usually do not justify stopping payment.

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Bank Liability

Banks may become liable where they:

• Wrongfully reject compliant demands
• Pay clearly non-compliant claims
• Ignore court orders
• Breach guarantee terms
• Mishandle documents
• Fail to exercise reasonable banking care

Liability depends upon the bank’s contractual undertaking and applicable legal rules.

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International Transactions

Foreign companies using Turkish bank guarantees should carefully examine:

• Governing law
• Jurisdiction
• URDG incorporation
• Language
• Currency
• Expiry mechanism
• Demand requirements
• Applicable sanctions
• Local enforcement issues

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Construction Projects

Construction disputes commonly involve:

• Performance guarantees
• Advance payment guarantees
• Retention guarantees
• Completion guarantees

Calls frequently arise following:

• Delays
• Defective work
• Contract termination
• Liquidated damages
• Employer claims

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Customs and Tax Guarantees

Businesses importing goods into Turkey frequently provide guarantees covering:

• Customs duties
• Temporary importation
• Transit operations
• Administrative penalties
• Tax liabilities

Disputes may arise after customs investigations or reassessments.

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Common Mistakes

Businesses often:

• Accept vague wording
• Ignore expiry provisions
• Fail to monitor validity periods
• Submit incomplete demands
• Misunderstand documentary requirements
• Delay legal action
• Ignore governing law clauses
• Overlook sanctions compliance

Careful legal review significantly reduces these risks.

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Dispute Resolution

Disputes concerning Turkish bank guarantees may involve:

• Commercial courts
• Interim injunction proceedings
• Compensation lawsuits
• Contract litigation
• International arbitration
• Enforcement proceedings

Commercial mediation may also be mandatory for certain monetary commercial disputes before litigation.

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Practical Recommendations

Before accepting or issuing a guarantee:

• Review every clause carefully.
• Confirm expiry provisions.
• Define documentary requirements precisely.
• Avoid ambiguous language.
• Evaluate governing law.
• Assess jurisdiction clauses.
• Verify bank authority.
• Maintain complete commercial records.
• Obtain legal advice before making or resisting a demand.

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2026 Commercial Practice

Modern Turkish commercial practice increasingly emphasizes:

• Digital guarantee management
• Electronic document verification
• Compliance screening
• Fraud prevention
• International banking standards
• Cross-border dispute resolution

Businesses should periodically review guarantee portfolios to identify expiring instruments and evolving compliance risks.

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Frequently Asked Questions (FAQ)

1. Are bank guarantees legally enforceable in Turkey?

Yes. Properly issued bank guarantees are generally enforceable under Turkish law according to their terms.

2. Can a bank refuse payment?

Yes, where the demand does not comply with the guarantee or other lawful refusal grounds exist.

3. Can payment be stopped because of a contractual dispute?

Usually not. Ordinary contractual disagreements generally do not prevent payment under an independent guarantee.

4. What is an on-demand guarantee?

It is a guarantee payable upon a complying demand without requiring prior proof of contractual breach, subject to its specific wording.

5. Does URDG 758 automatically govern Turkish guarantees?

No. It applies only if expressly incorporated into the guarantee.

6. Can fraudulent demands be challenged?

Yes. Turkish courts may intervene in exceptional cases involving fraud or manifest abuse.

7. What happens after the guarantee expires?

A valid demand generally cannot be made after expiry unless the guarantee expressly provides otherwise.

8. Are foreign companies allowed to use Turkish bank guarantees?

Yes. Foreign investors and international businesses regularly use Turkish bank guarantees in commercial projects.

9. Can damages be claimed for a wrongful call?

Potentially yes, depending on the contractual relationship, the circumstances of the demand, and Turkish law.

10. Should businesses obtain legal advice before issuing or accepting a guarantee?

Yes. Professional legal review helps prevent costly disputes and ensures the guarantee accurately reflects the commercial agreement.

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Legal Support for Bank Guarantee Disputes in Turkey

Bank guarantees play a critical role in international trade, construction, energy, infrastructure, procurement, and investment projects. Their legal effect depends largely on careful drafting, proper administration, and timely legal action when disputes arise.

Fırat Fesih Kaya Law Office advises foreign investors, international contractors, exporters, importers, financial institutions, and multinational companies on Turkish bank guarantees, wrongful calls, fraud allegations, commercial litigation, arbitration, and cross-border dispute resolution.

Phone: +90 312 434 22 22
Mobile: +90 532 769 22 22
Email: info@firatfesihkaya.av.tr
Address: Mevlana Boulevard No:221, Yıldırım Tower, No:148, 06520 Balgat, Çankaya, Ankara, Turkey

Contact our legal team for strategic advice on bank guarantees and commercial risk management in Turkey.