Turkish customs authorities challenge the purchase price of imported goods? Learn how importers can prove the real transaction value with invoices, contracts, bank transfers, SWIFT records, accounting documents and commercial evidence, and challenge additional customs duties and penalties in Turkey.

When Turkish customs authorities believe that the purchase price declared for imported goods does not reflect the real commercial transaction, the importer may face a customs valuation investigation, additional customs duties, administrative penalties and, in more serious cases, allegations of false invoicing or customs smuggling. This problem frequently arises where the declared price is considerably lower than prices found in customs databases, comparable imports or previous shipments. However, a low purchase price does not automatically mean that the importer submitted a false declaration. Commercial goods may legitimately be purchased below ordinary market prices because of volume discounts, long-term supply agreements, liquidation sales, defective products, obsolete stock, favorable negotiations or differences in delivery terms. The central question is whether the importer can demonstrate that the declared amount represents the genuine transaction and satisfies the customs valuation rules applicable in Turkey. In practice, the strongest defense is rarely the commercial invoice alone. The importer should reconstruct the complete transaction through contracts, purchase orders, invoices, SWIFT records, bank transfers, accounting entries, correspondence, shipping documents and supplier records.

Why Does Turkish Customs Challenge an Import Price?

Customs authorities may question a declared purchase price when information available to them suggests that the goods may have been undervalued.

A valuation investigation may arise because the declared price differs substantially from other import transactions involving identical or similar goods.

It may also arise because financial or commercial documents appear inconsistent with the customs declaration.

Common Reasons for Customs Valuation Disputes

Typical issues include unusually low unit prices, discrepancies between invoices and bank transfers, payments made to third parties, related-party transactions, unexplained discounts, royalty payments, multiple invoices for the same shipment and differences between Turkish import documents and foreign export records.

The existence of one of these circumstances does not automatically establish undervaluation.

It usually means that the transaction requires closer examination.

What Is the “Real Value” of Imported Goods?

The concept should not be confused with ordinary retail or market value.

Customs valuation is determined according to the valuation rules established under Turkish customs legislation.

The starting point is generally the transaction value where the statutory conditions for its use are satisfied.

In practical terms, this focuses on the price actually paid or payable for goods sold for export to Turkey, subject to the additions, conditions and adjustments required under customs legislation.

Market Price Is Not Automatically Customs Value

This distinction is extremely important.

Suppose similar machinery ordinarily sells for EUR 200,000.

A Turkish importer negotiates a genuine EUR 140,000 purchase price.

The fact that another buyer paid EUR 200,000 does not necessarily mean that EUR 200,000 must automatically become the customs value of the Turkish importer’s machinery.

The circumstances of the EUR 140,000 transaction must first be examined.

Why Can Identical Products Have Different Prices?

Commercial prices depend on many factors.

A buyer purchasing 10,000 units may receive a much lower unit price than a buyer purchasing 100 units.

A long-standing distributor may receive preferential pricing.

A manufacturer may need to liquidate excess inventory.

Products may be damaged, outdated or approaching the end of their commercial life.

Payment may have been made substantially in advance.

The buyer may assume transportation or other commercial costs.

These factors can produce genuine price differences.

The Invoice Is Important but Usually Not Enough

An invoice is the starting document.

But where customs expressly challenges its credibility, simply submitting the same invoice again will rarely resolve the dispute.

The importer should prove the economic reality behind the document.

The Strongest Evidence Is a Consistent Commercial Trail

A well-documented import transaction should generally produce a chain such as:

quotation → negotiations → purchase order → sales agreement → commercial invoice → shipping documents → bank payment → accounting entry → customs declaration → inventory entry.

If all these records consistently support the same purchase price, the importer has a substantially stronger position.

Sales Agreement

The sales agreement can establish the product, quantity, unit price, total purchase price, payment terms, Incoterm, discount arrangements and other relevant commercial conditions.

A contract created before the customs investigation carries significantly greater evidentiary value than an explanation generated afterward.

Purchase Order

Purchase orders are particularly important where the parties do not use detailed formal contracts.

The purchase order can establish what the Turkish importer originally agreed to purchase and at what price.

Supplier Order Confirmation

The foreign supplier’s order confirmation provides independent evidence from the other side of the transaction.

The importer should preserve the original document.

Commercial Invoice

The invoice should be compared with every other commercial document.

Check:

product description;

quantity;

unit price;

currency;

total amount;

invoice number;

date;

payment terms;

and delivery conditions.

Even minor inconsistencies should be understood before documents are submitted to authorities.

Bank Transfer Evidence

Bank records can be among the most persuasive evidence of the genuine purchase price.

If an invoice states EUR 500,000 and the importer can demonstrate a EUR 500,000 transfer to the supplier corresponding precisely with that invoice, this supports the declared transaction.

SWIFT Records

For international payments, SWIFT documentation can help connect the payment to the foreign supplier.

The payment reference may also identify the invoice or purchase order.

Supplier Bank Records

Where necessary and commercially possible, the foreign seller’s banking records may provide additional corroboration.

The importer may show:

EUR 500,000 invoiced → EUR 500,000 transferred → EUR 500,000 received by supplier.

This creates a strong financial chain.

Accounting Records

The importer’s accounting records should correspond with the transaction.

The supplier account, inventory records and payment entries can demonstrate how the purchase was recorded internally.

Foreign Supplier Accounting Records

The foreign seller’s ledger can also become valuable.

If the seller recorded the transaction at the declared price before any customs dispute arose, that contemporaneous record may strongly support the authenticity of the transaction.

Foreign Export Declaration

Where the exporting jurisdiction requires an export customs declaration, the value reported there may be relevant.

A value consistent with the Turkish import declaration can strengthen the importer’s position.

What If the Foreign Export Value Is Different?

A discrepancy should be investigated immediately.

It does not necessarily establish fraud.

Differences may arise because of valuation methodology, currency conversion, freight treatment, corrections or another legitimate reason.

But the difference should not remain unexplained.

Commercial Correspondence

Emails can establish how the price was negotiated.

For example, correspondence may show that the seller initially requested EUR 600,000 but ultimately accepted EUR 450,000 after several weeks of negotiation.

That evidence may explain why customs’ comparison with a EUR 600,000 reference price is misleading.

Preserve the Entire Negotiation

Do not submit only one favorable email without reviewing the surrounding correspondence.

Customs authorities may later obtain other communications that alter the context.

WhatsApp and Messaging Applications

Modern international transactions are often negotiated partly through WhatsApp, Teams or other messaging platforms.

Relevant communications should be preserved if a valuation investigation begins.

Why Was the Price Low?

The importer should answer this question with evidence rather than merely asserting that the price was negotiated.

There should ideally be an identifiable commercial reason.

Volume Discount

Suppose the supplier’s normal price is EUR 100 per unit.

The Turkish importer purchases 100,000 units at EUR 70.

The importer should produce documents demonstrating the quantity-based pricing structure.

Long-Term Customer Discount

A supplier may give preferential prices to a distributor that has purchased from it for ten years.

Historical transactions and the distribution agreement can support this explanation.

Advance Payment Discount

A seller may reduce the price because the buyer pays several months before production.

The agreement and bank transfer should demonstrate the arrangement.

Clearance Sale

A manufacturer may sell old inventory at a substantial discount.

Inventory reports, internal supplier decisions and offers made to other customers can support the explanation.

Obsolete Products

Technology products and industrial equipment can lose value rapidly.

Model year, production date and technical specifications may demonstrate why the price is below customs reference values.

Defective Goods

Second-quality or defective goods can legitimately be sold at substantially reduced prices.

Inspection reports, photographs, quality-control documents and contractual provisions should demonstrate their condition.

Used Machinery

Customs comparisons with new machinery can be misleading where the imported equipment is used.

The importer should document manufacturing date, operating hours, maintenance history, condition and technological obsolescence.

Seasonal Goods

A seller may heavily discount products at the end of a season.

Historical price lists and clearance campaigns can establish this commercially.

Financial Distress of the Seller

A company requiring immediate liquidity may sell inventory below ordinary prices.

Evidence of the seller’s liquidation strategy or urgent sale can support the transaction.

Related-Party Transactions

Transactions between a Turkish importer and a foreign parent, subsidiary or sister company require particular care.

The existence of a corporate relationship does not automatically invalidate the declared purchase price.

However, customs may examine whether that relationship influenced the price.

Transfer Pricing Is Relevant but Not Identical to Customs Valuation

A multinational company may have extensive transfer-pricing documentation.

That material can be useful, but customs valuation and corporate tax transfer pricing are not identical legal systems.

The importer should analyze the customs rules independently.

Prepare Related-Party Pricing Evidence

Useful evidence can include group pricing policies, sales to independent customers, transfer-pricing documentation, comparable transactions and the commercial rationale for the price.

What If Customs Says Comparable Imports Are More Expensive?

The importer should request or identify the basis of the comparison and test whether the transactions are genuinely comparable.

Two products with the same general name may not be commercially identical.

Compare Technical Specifications

Differences in material, model, capacity, manufacturing date, quality and functionality can materially affect price.

Compare Quantity

A shipment of 100 units should not automatically be compared with a shipment of 100,000 units without considering volume discounts.

Compare Commercial Level

Wholesale, distributor and retail transactions can have very different pricing structures.

Compare Incoterms

An EXW transaction should not be compared mechanically with a CIF transaction.

The commercial obligations included in the price are different.

Compare Transaction Dates

Commodity and technology prices can move substantially within months.

A historical comparator may therefore be misleading.

Compare Country and Supplier

Different manufacturers may legitimately sell similar products at substantially different prices.

Brand, quality and commercial strategy matter.

Reference Price Is Not Necessarily the Transaction Price

An internal risk or reference value can trigger scrutiny.

But the importer should examine whether customs has moved from identifying risk to establishing the legally applicable customs value.

Those are different stages.

Customs Cannot Simply Invent a Value

Where the declared transaction value cannot legally be accepted, customs valuation must proceed under the applicable statutory methodology.

The importer should therefore examine how customs reached its alternative figure.

Ask for the Calculation

If customs says:

“Your goods are worth EUR 900,000 rather than EUR 600,000,”

the importer should determine why.

What transactions were used?

What products?

What dates?

What quantities?

What adjustments?

Identical Goods Method

Where the applicable legal requirements are satisfied, transaction values of identical goods can become relevant.

But “identical” has a specific customs-law significance.

A general commercial similarity should not automatically be treated as identity.

Similar Goods Method

Where identical goods are unavailable or the applicable sequence requires it, similar goods can become relevant.

Again, differences affecting commercial value must be considered.

Deductive and Computed Methods

More complex valuation disputes can involve deductive or computed approaches.

These cases often require accounting and commercial expertise in addition to legal analysis.

Final Valuation Method

The final method does not mean that customs has unlimited discretion.

A defensible and legally structured valuation analysis remains necessary.

What If Customs Believes There Was a Hidden Payment?

This is one of the most serious valuation scenarios.

Authorities may suspect that the importer paid part of the purchase price outside the declared invoice.

The company should reconcile all payments made to the supplier and related parties.

Example: Invoice EUR 300,000, Transfers EUR 450,000

Customs suspects EUR 150,000 was hidden.

The importer establishes:

EUR 300,000 = imported goods;

EUR 75,000 = separate engineering services;

EUR 50,000 = previous shipment;

EUR 25,000 = loan repayment.

Each explanation must be supported by contemporaneous documents.

Payment Labels Are Not Enough

Calling a transfer “consultancy fee” does not prove it was genuinely for consultancy.

The underlying agreement and actual service should be demonstrated.

Third-Party Payments

Payments to entities other than the supplier may also be examined where they are economically connected with the imported goods.

Group Treasury Payments

Multinational companies often use centralized treasury structures.

A payment may be made by one group company on behalf of another.

The treasury arrangement should be documented.

Intercompany Loans

Loan repayments between related companies should be clearly distinguished from purchase-price payments.

The loan agreement, accounting records and repayment schedule should exist independently of the customs dispute.

Royalties and License Fees

Royalty arrangements can create significant customs valuation issues.

The importer should examine whether the relevant payment is connected with the imported goods and whether customs legislation requires an adjustment to the transaction value.

Commissions

Payments to agents and intermediaries should also be analyzed according to their actual commercial function.

Tooling and Production Costs

Payments for moulds, designs, components or manufacturing tools may require specific customs valuation analysis.

They should not automatically be classified as unrelated services.

Freight and Insurance

The transaction’s Incoterm and transportation arrangements should be examined when determining the correct customs value.

Currency Conversion Problems

Sometimes an apparent valuation discrepancy results from currency or exchange-rate treatment rather than a false purchase price.

The relevant dates and exchange rates should therefore be verified.

Partial Payments

An invoice may be settled in several installments.

The importer should link each installment to the invoice.

Consolidated Payments

A single transfer may pay multiple invoices.

A payment allocation schedule can establish this.

Credit Notes

A supplier may subsequently reduce an amount through a credit note.

The reason and timing should be documented.

Rebates

Annual or volume-based rebates can create more complicated valuation questions.

The importer should establish when the rebate became determinable and how it relates to the imported goods.

Free Goods and Bonuses

A supplier may provide additional units without separately charging the importer.

The absence of an invoice price for those units does not necessarily mean they have no customs value.

Samples

Commercial samples may also require valuation even where supplied free of charge.

Customs Can Examine Previous Imports

A valuation dispute concerning one shipment may lead authorities to review earlier declarations involving the same product, supplier or pricing structure.

This is particularly important where customs suspects systematic undervaluation.

Conduct an Internal Historical Audit

The importer should compare:

customs declaration → invoice → supplier ledger → bank payment → accounting record

for previous shipments.

Look for Repeated Differences

A recurring unexplained difference is more serious than an isolated clerical discrepancy.

Do Not Wait for Customs to Identify Every Transaction

Once the company becomes aware of a potential systemic valuation issue, it should assess its historical exposure immediately.

Can a Purchase Price Dispute Lead to a Customs Penalty?

Yes.

Where customs lawfully determines that the declared value resulted in deficient import duties, additional customs liabilities and administrative penalties may arise depending on the applicable provision and circumstances.

Can It Become a Criminal Investigation?

Potentially.

A genuine disagreement over valuation should be distinguished from an allegation that the importer intentionally used false invoices, double invoicing or hidden payments to evade customs obligations.

Where intentional conduct potentially falling under Anti-Smuggling Law No. 5607 is alleged, criminal proceedings may arise separately.

A Low Price Does Not Prove Criminal Intent

This point is particularly important for company directors.

An aggressive commercial discount or valuation disagreement is not automatically evidence of smuggling.

The prosecution must be analyzed according to the elements of the alleged offense and the individual’s actual involvement.

Directors and Managers

Authorities may investigate who negotiated the price, approved the invoice, authorized payment and instructed the customs broker.

Corporate titles alone should not replace examination of actual conduct.

Foreign Directors

A foreign director who does not participate in daily import operations should preserve evidence demonstrating the actual corporate workflow.

Customs Broker

The importer should identify exactly what documents and instructions were provided to the broker.

If the broker received the genuine invoice and correctly declared it, that fact can be significant.

Fake Invoice Allegation

A valuation dispute becomes more serious if customs alleges that the invoice itself is false.

The company should preserve the original electronic invoice, metadata, supplier ERP records, email transmission and accounting entries.

Double Invoice Allegation

Where two different invoices exist, each document must be explained.

One may be a pro forma invoice.

Another may be the final commercial invoice.

One may include services.

Another may cover goods only.

But these explanations require objective evidence.

Never Destroy the Earlier Invoice

Keeping both documents and explaining the chronology is safer than attempting to eliminate an inconvenient version.

Do Not Backdate Documents

A retrospective agreement created after customs questions the transaction can seriously damage credibility.

Do Not Alter Accounting Records

Original entries should be preserved.

Corrections, if legally necessary, should remain transparent and traceable.

How Should Evidence Be Presented?

A strong customs valuation defense should be structured.

Do not simply provide several thousand pages of documents.

Prepare a Transaction Summary

For each shipment, identify:

Supplier | Product | Quantity | Unit Price | Total Invoice | Incoterm | Payment | Customs Declaration | Declared Customs Value

Prepare a Payment Reconciliation

Match every invoice with every payment.

Any difference should have a documented explanation.

Prepare a Price Justification File

Explain why the importer obtained the particular commercial price.

Attach evidence supporting discounts, product condition, quantity and commercial circumstances.

Prepare a Comparator Analysis

If customs relies on comparable imports, explain why those transactions are or are not genuinely comparable.

Prepare a Technical Product File

For machinery and complex products, include specifications, model information, manufacturing date, condition and other characteristics affecting price.

Prepare an Accounting Reconciliation

The company’s general ledger and supplier account should match the commercial explanation.

Independent Expert Evidence

Complex valuation disputes may require accountants, customs specialists, engineers or other technical experts.

Evidence From the Foreign Seller

The foreign seller can often provide some of the strongest evidence.

This may include its original invoice, sales ledger, bank receipt, pricing policy, inventory records and correspondence.

Foreign Company Evidence Should Be Preserved Early

Do not wait until litigation begins.

Supplier systems may automatically delete older emails or data.

Relevant records should be secured once the dispute arises.

What If Customs Rejects the Declared Price?

The importer should identify the formal decision, the statutory basis and the valuation method used.

The importer can then assess available administrative remedies.

Protect Objection Deadlines

Customs disputes can involve short procedural periods.

The official notification date should therefore be recorded immediately.

Internal approval from a foreign headquarters should not delay the Turkish legal response.

Challenge Both Parts of the Decision

There may actually be two disputes:

1. Was customs entitled to reject the declared transaction value?

2. Even if it was, did customs calculate the alternative value correctly?

An importer can have strong arguments on the second issue even where the first is difficult.

Customs Settlement

Where legally available, customs settlement may also require evaluation.

But an importer with strong evidence proving the actual purchase price should carefully consider the implications before choosing settlement instead of challenging an incorrect valuation.

Goods Held at Customs

If the valuation dispute prevents clearance, commercial damage can accumulate rapidly.

Storage, demurrage, container detention and contractual delay costs should be calculated.

Do Not Ignore Logistics While Fighting the Valuation

The legal dispute may continue for months while storage charges accrue daily.

Release alternatives should therefore be examined simultaneously.

Can the Importer Pay and Continue the Dispute?

The procedural consequences of payment depend on the particular customs decision and remedy being pursued.

The importer should determine the correct strategy before making payment solely to obtain the goods.

Previous Declarations May Be More Valuable Than the Current Shipment

A company importing the same product monthly should immediately calculate historical exposure.

A TRY 2 million dispute concerning one shipment can potentially become a much larger problem if customs applies the same finding to numerous previous declarations.

Foreign-Owned Companies Need Central Coordination

The Turkish subsidiary may hold customs declarations.

The foreign supplier may hold invoices.

The parent company’s treasury department may hold SWIFT records.

The accounting department may hold ledger entries.

The legal defense should bring these records together.

First 24 Hours After Customs Challenges the Price

The importer should preserve the complete customs declaration, invoice, purchase order, sales agreement, payment records, SWIFT documents and commercial correspondence.

The company should also identify whether the goods remain at customs and record the formal notification date of any decision.

First 72 Hours

The company should reconstruct the transaction, reconcile the declared value with all payments, identify any payments to related or third parties and determine why the purchase price differs from customs comparators.

First Week

The importer should obtain evidence from the foreign supplier, review previous imports, prepare a valuation and comparator analysis, calculate financial exposure and protect all administrative deadlines.

The Most Important Question: Can the Price Be Proven Independently?

A genuine purchase price should normally leave independent evidence.

The objective is to demonstrate:

the parties agreed on the price before customs intervention;

the seller invoiced that amount;

the buyer paid that amount;

the seller received that amount;

both parties recorded that amount;

the shipping and customs documents correspond with the transaction;

and any additional payments have a legitimate and documented explanation.

When these elements align, the importer has a much stronger basis for defending the declared value.

2026 Legal Strategy When Turkish Customs Challenges the Purchase Price

An importer facing a customs valuation dispute in Turkey should first determine precisely why customs rejects or questions the declared purchase price. The company should then reconstruct the commercial transaction through contemporaneous evidence rather than relying exclusively on the invoice. The purchase agreement, order confirmation, commercial invoice, SWIFT transfer, bank records, accounting entries, supplier ledger, shipping documents and foreign export records should be compared systematically. Any difference between the declared price and total payments must be identified and explained. If the low price resulted from a volume discount, clearance sale, defective goods, long-term supply relationship, advance payment or another commercial circumstance, that explanation should be supported by documents created before the investigation. Where customs relies on identical or similar imports, the company should test whether the comparator goods, quantities, dates, commercial levels and delivery conditions are genuinely comparable. If customs rejects the transaction value, the legal basis and methodology used to establish the replacement customs value should also be challenged where appropriate. Previous imports involving the same supplier and pricing structure should be audited immediately. The practical defense strategy is therefore: identify why customs challenged the value → preserve original transaction documents → prove the negotiated purchase price → reconcile invoices with bank and SWIFT payments → obtain evidence from the foreign supplier → explain discounts and price differences → identify third-party payments → examine royalties and related payments → challenge inappropriate comparator transactions → verify customs’ alternative valuation methodology → review historical imports → protect objection deadlines → distinguish administrative valuation issues from criminal allegations → pursue the appropriate administrative and judicial remedies.

Frequently Asked Questions

1. Can Turkish customs reject the purchase price simply because it is lower than other imports?

A lower price can trigger scrutiny, but the existence of higher-priced comparable transactions does not by itself establish that the importer’s commercial transaction was fictitious. The applicable customs valuation rules and the evidence supporting the transaction must be examined.

2. What is the strongest evidence proving the real purchase price?

A consistent combination of the sales agreement, purchase order, commercial invoice, bank and SWIFT records, supplier receipt, accounting records, shipping documents and contemporaneous correspondence can provide strong evidence.

3. Is the commercial invoice alone enough?

Sometimes it may be accepted in ordinary clearance, but once customs specifically challenges the transaction value, additional independent commercial and financial evidence is usually much more persuasive.

4. What if the declared price is much lower because the importer received a discount?

The discount should be supported by contemporaneous evidence such as contractual terms, correspondence, supplier pricing policies, volume commitments or clearance-sale documentation.

5. What if bank transfers are higher than the declared invoice price?

The difference should be reconciled. Additional payments may concern another shipment, services, loans, royalties, freight or another obligation. An unexplained difference can create significant customs risk.

6. Can customs use the price paid by another importer?

Comparable transactions can become relevant under applicable customs valuation methods, but the importer should examine whether the goods, quantity, transaction date, commercial level and other circumstances are genuinely comparable.

7. Can related companies use the transaction-value method?

The existence of a relationship between buyer and seller does not automatically mean that the declared value must be rejected. However, whether the relationship affected the price may require additional examination.

8. Can a customs valuation dispute lead to criminal charges?

Potentially, where authorities allege deliberate false invoicing, double invoicing, hidden payments or conduct falling within anti-smuggling legislation. A genuine valuation disagreement should be distinguished from intentional criminal conduct.

9. Should the importer review previous shipments?

Yes. If the same supplier, product or pricing methodology was used repeatedly, customs may examine earlier declarations. An internal historical audit can therefore be extremely important.

10. What should an importer do immediately after customs challenges the purchase price?

Preserve the customs declaration, invoice, sales agreement, purchase order, SWIFT and banking records, accounting documents and correspondence; determine why customs rejected the price; obtain corroborating evidence from the foreign supplier; review previous imports; and protect applicable procedural deadlines.

Legal Support for Customs Valuation and Purchase Price Disputes in Turkey

A customs challenge to the declared purchase price can expose an importer to additional customs duties, administrative penalties, delayed clearance, historical declaration audits, false-invoice allegations and potentially Anti-Smuggling Law investigations. The strongest defense usually requires proving the economic reality of the transaction through financial, accounting and commercial evidence and separately examining whether customs has applied the correct valuation methodology.

Fırat Fesih Kaya Law Office provides legal assistance to foreign exporters, Turkish importers, multinational companies and foreign-owned businesses facing customs valuation and import-price disputes in Turkey.

Fırat Fesih Kaya can examine disputed customs values, reconstruct import transactions, analyze invoices and bank payments, prepare evidence supporting the actual purchase price, challenge additional assessments and penalties, coordinate customs and criminal proceedings where necessary and pursue appropriate administrative and judicial remedies.

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