Customs Rejects a Discounted Import Price in Turkey: How Can the Discount Be Proven? (2026 Updated Guide)

Turkish Customs rejects a discounted invoice price and increases customs value. Learn how foreign exporters and Turkish importers can prove commercial discounts, defend transaction value and challenge additional duties and penalties.

A foreign supplier may legitimately sell goods to a Turkish importer at a price below its ordinary list price because of volume, long-term cooperation, advance payment, annual purchasing commitments, clearance of inventory, introductory pricing or another genuine commercial reason. Problems arise when Turkish Customs concludes that the discount is insufficiently documented and refuses to accept the declared transaction value. The result may be a higher customs value, additional customs duties and taxes, penalties and potentially a wider examination of previous imports. The central issue is therefore whether the importer can demonstrate that the discounted amount represents the price actually paid or payable for the imported goods and that the discount formed part of the genuine commercial transaction rather than being created retrospectively to reduce customs value.

Why Does Turkish Customs Question Import Discounts?

A discount may attract scrutiny when it is unusually large, appears only on the final invoice, differs from prices charged to other customers, involves related companies, cannot be reconciled with the contract or purchase order, or is unsupported by payment and accounting records.

The existence of a discount does not by itself establish undervaluation. The importer must nevertheless be able to explain the commercial basis of the price.

Transaction Value Is the Starting Point

For many imports, customs valuation begins with the transaction value framework: the price actually paid or payable for goods sold for export to Turkey, subject to the applicable customs valuation rules and required adjustments.

The dispute should therefore begin with the actual transaction rather than an abstract market price.

A Low Price Is Not Automatically a False Price

Two buyers may legitimately purchase the same goods from the same manufacturer at different prices. Purchase volume, payment terms, distribution obligations, market conditions and contractual history can all influence pricing.

A price difference alone should therefore be distinguished from evidence that the invoice fails to reflect the real transaction.

The Discount Should Exist Before Importation

One of the strongest forms of evidence is documentation showing that the discount was commercially agreed before the customs declaration.

A discount first asserted after Customs questions the invoice will usually require much stronger explanation.

The Supply Contract Is Important

The importer should examine the underlying sales or distribution agreement. If the contract provides for a percentage discount, volume-based pricing or another pricing mechanism, it can help establish that the reduced price was predetermined.

The contract should correspond with the actual transaction.

Purchase Orders Can Prove the Agreed Price

A purchase order issued before shipment may show the product, quantity, unit price and applicable discount.

Compare the purchase order with the commercial invoice and payment records.

Pro Forma Invoices Can Provide Supporting Evidence

A pro forma invoice prepared during commercial negotiations may demonstrate that the discounted price existed before the goods entered Turkey.

It should be consistent with the final commercial invoice and other records.

Commercial Correspondence Can Be Valuable

Emails and other genuine business correspondence may establish how the parties negotiated the discount.

For example, correspondence may show that the supplier offered a 10% reduction if the importer purchased a specified annual quantity.

Volume Discounts Should Be Documented

If the discount depends on purchasing volume, produce evidence showing the quantity threshold and the importer’s purchases.

A vague statement that the Turkish buyer is a “large customer” may be less persuasive than a written pricing schedule tied to specific quantities.

Annual Purchase Commitments Can Explain Lower Prices

A Turkish distributor that commits to purchasing substantial quantities over a year may receive more favorable pricing than occasional buyers.

The importer should preserve the framework agreement, annual forecast, purchase commitments and transaction records.

Early-Payment Discounts Require Payment Evidence

If the supplier grants a discount because the importer pays in advance or within a shortened period, bank records become particularly important.

The contractual payment term and actual payment should tell the same story.

Advance Payment Can Affect Commercial Pricing

A supplier receiving payment before manufacturing or shipment may legitimately offer a lower price because financing and collection risks are reduced.

The importer should connect the discount explicitly with the payment arrangement.

Distributor Discounts Should Be Explained

Exclusive or major distributors may receive lower wholesale prices because they assume marketing, warranty, inventory or customer-support obligations.

The distribution agreement should identify those obligations where they form part of the commercial explanation for the price.

Introductory Pricing May Be Legitimate

A manufacturer entering the Turkish market may temporarily offer lower prices to establish a customer base.

Preserve the launch strategy, pricing approvals and correspondence demonstrating that the reduced price was part of a genuine commercial policy.

Clearance and End-of-Series Discounts Can Be Relevant

Obsolete models, discontinued products, seasonal stock or excess inventory may be sold below ordinary prices.

The manufacturer should document the commercial reason for reducing the price and identify the products affected.

Product Quality Differences Must Be Considered

Two products with similar commercial descriptions may have different specifications, grades, production dates or quality characteristics.

If Customs compares the discounted goods with higher-priced goods, verify that the products are genuinely comparable.

Quantity Differences Can Affect Unit Price

A shipment containing 100,000 units may legitimately receive a different unit price from a shipment containing 500 units.

Comparable-price analysis should account for commercially relevant quantity differences.

Payment Terms Can Explain Price Differences

Cash payment, advance payment, 30-day credit and 180-day credit do not necessarily have the same economic value.

Where Customs relies on comparable transactions, payment conditions should be considered.

Related-Party Transactions Require Greater Preparation

If the Turkish importer and foreign supplier are related companies, Customs may scrutinize whether the relationship influenced the price.

The company should be prepared to explain its pricing methodology and support the declared value with appropriate commercial and financial evidence.

Transfer Pricing and Customs Valuation Are Not Identical

A transfer-pricing policy prepared for corporate income-tax purposes should not automatically be treated as resolving customs valuation.

The two areas can interact, but the legal tests and purposes differ.

Review Intercompany Pricing Policies

Where the importer purchases from a foreign parent or affiliate, obtain the intercompany agreement and relevant pricing policy.

The actual invoice price should be consistent with the group’s documented commercial methodology.

Customs May Request Additional Evidence

Where Customs has doubts concerning the declared value, the importer may be asked to provide additional information and documents.

The response should be organized around the specific concern raised rather than sending large quantities of unrelated commercial material.

Bank Payment Records Are Critical

The importer should demonstrate what it actually paid the supplier.

Bank transfer records should correspond with invoice amounts, taking into account any legitimate credit notes, advances or consolidated payments.

Reconcile Multiple Invoices Carefully

Where several invoices are paid through one bank transfer, prepare a reconciliation showing how the payment was allocated.

Otherwise, Customs may be unable to verify that the declared invoice price represents the amount actually paid.

Credit Notes Require Careful Analysis

A credit note can support a genuine commercial adjustment, but its timing and reason matter.

Determine whether it relates to the imported goods and whether it was contemplated within the relevant commercial arrangement.

Rebates Paid After Importation Can Be More Complicated

Year-end rebates, retrospective volume bonuses and later price adjustments should not automatically be treated in the same manner as a discount fixed before importation.

The customs consequences depend on the legal and factual structure of the adjustment.

Do Not Create a Retrospective Discount Agreement

A contract prepared after Customs begins an investigation and presented as if it governed the original transaction can seriously damage credibility.

Use genuine contemporaneous commercial records.

Manufacturer Pricing Records Can Strengthen the Defense

The foreign supplier may have internal pricing approvals, customer price lists, discount matrices or sales-management records demonstrating why the Turkish importer received the reduced price.

These records can be particularly useful when the discount is substantial.

Comparable Customer Sales May Help

If the supplier gave similar discounts to other customers purchasing comparable quantities under similar conditions, those transactions may support the commercial reality of the pricing structure.

Comparisons should be genuinely comparable.

Customs Should Not Compare Incomparable Transactions

A higher price paid by another importer does not necessarily prove that the disputed invoice is undervalued.

Differences in product specifications, quantity, commercial level, timing and payment conditions may explain the price difference.

Manufacturer Affidavits Alone May Be Insufficient

A supplier letter confirming the discount can help, but it should preferably be supported by contemporaneous contracts, correspondence, invoices and accounting records.

Objective commercial evidence is generally stronger than a statement created after the dispute begins.

Accounting Records Should Match the Discount

The Turkish importer should verify how the purchase was recorded in its books.

The foreign supplier’s accounting records should also be capable of supporting the invoiced amount where those records become relevant.

Hidden Payments Create Serious Risk

If the importer pays part of the purchase price through another company, separate invoice, offshore account or undisclosed mechanism, Customs may investigate whether the declared invoice represents the full amount actually paid or payable.

All consideration connected with the imported goods should be analyzed carefully.

Royalties Must Be Examined Separately

A discounted invoice may be accepted as commercially genuine while customs value still requires another amount to be considered under applicable valuation rules.

Royalties or licence fees connected with imported goods can therefore create a separate customs valuation issue.

Assists and Buyer-Supplied Inputs May Also Matter

If the Turkish buyer provides molds, tooling, materials, designs or other items to the foreign manufacturer free of charge or at reduced cost, their customs valuation treatment should be reviewed separately.

Proving the invoice discount does not automatically resolve every customs-value adjustment.

Freight and Insurance Should Be Checked

The declared customs value should also be reviewed for transportation, insurance and other relevant amounts under the applicable valuation rules.

A dispute over the purchase price can sometimes reveal separate errors elsewhere in the declaration.

Customs May Examine Previous Imports

If Customs concludes that the same discount structure was used repeatedly, earlier declarations may be reviewed.

The importer should therefore identify historical imports using the same supplier and pricing arrangement.

Create a Historical Import Matrix

Record declaration date, invoice number, product, quantity, unit price, discount, payment, supplier and customs value.

This allows the company to determine whether the dispute concerns one shipment or a recurring pricing methodology.

One Questioned Discount Does Not Automatically Make Every Previous Invoice Wrong

Commercial conditions can change over time.

Each period should be evaluated according to the contracts, prices and circumstances applicable when the relevant goods were imported.

Additional Customs Duties May Be Assessed

If Customs lawfully rejects the declared value and determines a higher customs value under the applicable valuation methodology, additional customs duties and import taxes may arise.

The calculation should be reviewed carefully rather than accepting the assessment automatically.

Penalties Must Be Examined Separately

An additional customs debt and an administrative penalty involve related but distinct legal questions.

The importer should review the statutory basis, calculation and factual assumptions supporting any penalty.

A Valuation Dispute Does Not Automatically Mean Fraud

A genuine disagreement concerning discounts, comparability or valuation methodology should be distinguished from deliberate use of false invoices or concealed payments.

This distinction can become particularly important if authorities suggest intentional undervaluation.

Preserve Evidence Before Filing an Objection

Collect the supply contract, purchase order, pro forma invoice, final invoice, bank records, correspondence, discount policy, accounting records and manufacturer explanation before memories and commercial records become harder to reconstruct.

Obtain the Formal Customs Decision

The importer should obtain the official assessment or administrative decision and record its notification date.

The applicable customs objection period should be protected immediately.

Customs Objections Should Address the Actual Valuation Issue

The objection should explain why the discount was commercially genuine, when it was agreed, how it was calculated and how the declared amount can be traced through contracts, invoices and payments.

A general statement that “the invoice is correct” is usually insufficient for a substantial valuation dispute.

Challenge the Alternative Value as Well

If Customs rejects the transaction value and substitutes another value, examine how that alternative amount was determined.

Determine whether the comparator goods are actually comparable and whether relevant commercial differences were taken into account.

Independent Financial Analysis May Help

Complex related-party or high-value disputes may benefit from accounting or economic analysis explaining the commercial pricing mechanism and reconciling transaction records.

What If the Administrative Objection Is Rejected?

The importer should evaluate judicial remedies available under the Turkish customs framework.

The technical valuation file prepared during the administrative stage can become central to subsequent litigation.

Supplier Cooperation Is Essential

Foreign manufacturers should not leave the Turkish importer alone to defend the discount.

They should promptly provide contemporaneous contracts, pricing records, correspondence and accounting evidence necessary to explain the transaction.

Supply Contracts Should Allocate Customs Valuation Risk

International sales agreements should address responsibility for accurate pricing information, customs cooperation, post-clearance investigations, additional duties and losses caused by inaccurate supplier documentation.

Future Imports Should Be Reviewed Before Shipment

If Customs has questioned a recurring discount, determine whether future shipments will face the same problem.

A pre-import documentation package may reduce repeated disputes.

Build a Discount Evidence File

For recurring discounted imports, maintain a permanent file containing the master supply agreement, discount formula, customer status, price lists, purchase commitments, pricing approvals, payment terms and representative bank records.

The commercial logic should be understandable without reconstructing the entire relationship years later.

2026 Practical Defense Strategy

A foreign supplier and Turkish importer facing rejection of a discounted import price should immediately determine whether the discount existed before importation, collect contemporaneous contractual and payment evidence, explain its commercial rationale, reconcile invoice and bank records, examine related-party issues, review any royalties or assists, analyze Customs’ alternative valuation methodology and protect the applicable objection period.

The strongest defense is generally a coherent evidentiary chain showing how the original price was negotiated, why the discount was granted, what the importer actually paid and how the transaction appears in both parties’ ordinary commercial records.

Frequently Asked Questions

Can Turkish Customs reject an invoice simply because the discount is large?

A substantial discount may trigger scrutiny, but the size of the discount alone does not establish that the declared transaction price is false. The commercial basis and supporting evidence should be examined.

What is the best evidence of a discount?

Contemporaneous evidence such as the supply contract, purchase order, pricing schedule, pre-shipment correspondence, invoice and matching bank payments is particularly important.

Can an email prove a discount?

It can be useful evidence, particularly when it predates importation and is consistent with the contract, invoice and payment records.

Can a volume discount be accepted?

A genuine volume discount can potentially be supported by purchase commitments, pricing schedules and actual purchasing records.

What if the importer and exporter are related companies?

The relationship can lead to additional scrutiny. The companies should demonstrate their pricing structure and address whether the relationship affected the declared transaction value under the applicable customs valuation rules.

Does a transfer-pricing report automatically prove customs value?

No. Transfer pricing and customs valuation should be analyzed separately even though some underlying commercial information may overlap.

Can Customs use another importer’s higher price?

Comparable transactions may become relevant under applicable valuation methods, but product, quantity, commercial level, timing and other material differences should be examined.

What happens if Customs increases the value?

Additional customs duties and import taxes may arise, and penalties may also be imposed depending on the circumstances. Each assessment should be reviewed independently.

Can the importer challenge the customs valuation decision?

Potentially. The formal decision, notification date, applicable objection procedure and supporting commercial evidence should be reviewed immediately.

What is the most important practical rule?

The discount should be proved as part of the original commercial transaction, not reconstructed after Customs challenges the declaration. Contracts, pre-shipment negotiations, invoices, bank payments and accounting records should all tell the same pricing story.

Client-Focused Legal Support for Customs Valuation and Discount Disputes

Fırat Fesih Kaya Law Office assists foreign manufacturers, international exporters and Turkish importers facing customs valuation disputes involving discounted prices, related-party transactions, transfer pricing, royalties, assists, post-clearance audits, additional customs assessments and penalties. Lawyer Fırat Fesih Kaya provides legal assistance in preparing valuation evidence, challenging rejection of transaction value, coordinating foreign supplier documentation, filing customs objections and pursuing judicial remedies where necessary.

Phone:
+90 312 434 22 22

Mobile:
+90 532 769 22 22

Email:
info@firatfesihkaya.av.tr

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