Learn how customs surveillance measures work in Turkey, how surveillance values affect imports, when a surveillance certificate is required, how customs valuation should be determined, and what foreign businesses can do when surveillance rules increase import costs.

Customs surveillance measures have become an increasingly important issue for companies importing goods into Turkey. A foreign manufacturer may agree to sell a product at a commercially legitimate price, while the Turkish importer later discovers that the product is subject to a surveillance measure based on a specified unit value. The result can be additional documentation, a surveillance certificate requirement, customs-clearance delays and potentially a substantial increase in the effective tax burden of the transaction.

The issue is particularly significant in 2026. On July 11, 2026, the Ministry of Trade announced major updates to Turkey’s import regime and surveillance framework. At that point, surveillance regulations covering 18 product groups were amended: surveillance unit values or product coverage were updated for 10 product groups and new surveillance values were introduced for eight additional groups. The Ministry stated that the total number of surveillance communiqués consequently increased from 184 to 192. (https://ticaret.gov.tr)

For foreign manufacturers, exporters, multinational groups and Turkish importers, surveillance should therefore be checked before the goods are shipped, rather than when the customs declaration is ready to be registered.

What Is Import Surveillance in Turkey?

Import surveillance is a trade-policy instrument used by Turkey to monitor imports of specified goods.

The Ministry explained in its July 2026 announcement that surveillance measures may be introduced for products subject to domestic production in order to monitor developments in their importation. (https://ticaret.gov.tr)

Surveillance is therefore different from an ordinary customs duty.

It is also different from an anti-dumping measure or safeguard duty.

The fundamental purpose is to subject specified imports to enhanced monitoring under the applicable surveillance legislation.

However, because many surveillance measures are connected with specified unit values, their practical financial consequences for importers can be significant.

Is Surveillance an Anti-Dumping Duty?

No.

An anti-dumping duty generally results from an investigation establishing dumping, injury and causation.

A surveillance measure does not require a finding that a particular foreign exporter engaged in dumping.

Likewise, surveillance should not automatically be confused with a safeguard measure, Additional Customs Duty or Additional Financial Liability.

These are separate trade-policy mechanisms.

This distinction is important because the legal strategy available to an importer depends on identifying the exact measure affecting the goods.

How Does a Surveillance Measure Work?

The precise rules depend on the surveillance communiqué applicable to the product.

Typically, a communiqué identifies goods through tariff classifications and descriptions and establishes the conditions under which imports fall within surveillance.

A specified unit customs value may play a central role.

Where the relevant import falls within the surveillance regime, a surveillance certificate may be required unless the conditions for importation without that certificate are otherwise satisfied under the applicable rules.

Importers should therefore examine the specific communiqué rather than assuming that every surveillance measure operates identically.

What Is a Surveillance Value?

A surveillance value is particularly important because it can be confused with the actual customs value of the imported goods.

The two concepts should not automatically be treated as identical.

The actual customs value must be determined under the customs valuation rules.

The Ministry explains that customs value is determined under Customs Law No. 4458 and the Customs Regulation for purposes including application of the customs tariff and certain non-tariff trade measures. (https://ticaret.gov.tr)

The surveillance value, by contrast, arises from the applicable surveillance measure.

This distinction is central to many disputes.

Is the Surveillance Value Automatically the Customs Value?

The starting point should be no.

Turkey’s ordinary customs valuation system follows a hierarchy of legally prescribed valuation methods.

According to the Ministry, the first method is transaction value. If that method cannot legally be used, the analysis proceeds sequentially through the transaction value of identical goods, transaction value of similar goods, deductive value, computed value and ultimately the fallback method. (https://ticaret.gov.tr)

Therefore, the customs value of imported goods should not simply be replaced by an arbitrary figure without considering the statutory valuation system.

This distinction becomes particularly important when the commercial invoice price is below a surveillance threshold.

Transaction Value Remains the Starting Point

Suppose a Turkish importer buys machinery for USD 80,000.

The purchase is genuine.

USD 80,000 is actually paid to the unrelated foreign seller.

There are no hidden payments.

The goods are nevertheless subject to a surveillance measure whose relevant threshold would create a higher reference amount.

The company should distinguish two questions:

What is the actual customs value under the customs valuation rules?

and

What requirements does the surveillance communiqué impose because the declared value falls below the relevant surveillance level?

Treating these as one question can create unnecessary tax exposure.

What Is Included in Transaction Value?

The invoice price is not necessarily the final customs value.

The Ministry explains that specified additions can be required under the transaction-value method, including certain commissions and brokerage, packing, qualifying assists supplied by the buyer, relevant royalties and licence fees, proceeds accruing to the seller and transport and insurance costs up to the place where the goods enter Turkey. (https://ticaret.gov.tr)

Therefore, an importer challenging customs treatment should first ensure that its own declared transaction value was correctly calculated.

An incorrect valuation declaration can weaken an otherwise legitimate challenge concerning surveillance.

What Cannot Simply Be Added to Customs Value?

The Ministry also explains that additions to the price actually paid or payable must be based on objective and quantifiable data and that no additions should be made except those permitted by the applicable customs valuation rules. (https://ticaret.gov.tr)

This principle is particularly relevant where a surveillance measure creates pressure to increase the declared value.

Importers should understand the legal basis of any adjustment before changing the customs value.

Why Do Importers Sometimes Increase the Declared Value?

The practical reason is usually customs clearance.

If the actual value falls below the applicable surveillance threshold and the importer does not have the required surveillance certificate, the importer may face difficulty completing the import under the ordinary procedure.

Companies may therefore consider declaring an increased value so that the transaction no longer falls below the relevant threshold.

But this can have significant financial consequences.

If ad valorem import taxes are calculated using the higher declared amount, customs duty, import VAT and other value-dependent charges may increase.

For high-volume importers, the cumulative difference can be substantial.

Example of the Financial Impact

Assume that the genuine customs value of imported goods is USD 100,000.

The applicable surveillance framework effectively creates a threshold corresponding to USD 150,000.

If the importer structures its declaration around USD 150,000 instead of the actual USD 100,000 transaction value, value-based import charges may be calculated on an additional USD 50,000.

One shipment may not appear catastrophic.

But if the company imports 200 comparable shipments each year, the cumulative financial impact can become very significant.

This is why surveillance compliance should form part of the purchasing decision.

A Surveillance Certificate May Be the Better Route

Depending on the applicable communiqué and circumstances, the importer may instead apply for a surveillance certificate.

The Ministry’s 2026 Import Document Transactions system specifically identifies surveillance certificates among the documents required for specified imports. Applications are submitted electronically to the General Directorate of Imports through the Ministry’s Import Document Transactions System using authorized electronic-signature procedures. (https://ticaret.gov.tr)

The correct strategy therefore requires comparison of the documentary route and the financial consequences of the available customs-clearance alternatives.

How Is a Surveillance Certificate Application Made?

The Ministry states that applications for import licences, import permits, surveillance certificates and other documents required under import legislation are submitted electronically through its Import Document Transactions System.

Applications must be made by persons authorized to use electronic signatures on behalf of the relevant company or institution. (https://ticaret.gov.tr)

Foreign companies selling regularly to Turkey should therefore coordinate with their Turkish importer well before shipment.

Waiting until the goods arrive can create storage and demurrage costs while documentation is being prepared.

What Documents May Be Required?

Requirements depend on the applicable communiqué and application system.

Companies may need commercial and technical information concerning the imported goods, foreign manufacturer, exporter, price, quantities and related transactions.

The importer should review the specific communiqué and application requirements applicable to the product.

Foreign exporters should cooperate promptly when their Turkish customers request supporting documentation.

A delayed document from the foreign manufacturer can become a delayed customs clearance in Turkey.

2026 Brought a Significant Expansion of Surveillance Measures

Surveillance is not a marginal import issue in 2026.

At the beginning of the year, the Ministry announced changes covering 47 product groups. Existing surveillance unit prices were updated for 24 groups and new surveillance values were established for 23 groups, bringing the total number of surveillance communiqués to 184. (https://ticaret.gov.tr)

The July 2026 amendments then covered another 18 product groups and raised the total number of surveillance communiqués to 192. (https://ticaret.gov.tr)

This rapid development means importers cannot safely rely on customs matrices prepared in 2025 or even at the beginning of 2026.

July 2026 Changes Are Particularly Important

The Ministry’s July announcement explained that some product categories were newly brought within surveillance while unit values or product coverage were changed for others.

It also stated that the broader amendments considered the balance between domestic production and consumption, industrial input needs and Turkey’s international obligations. (https://ticaret.gov.tr)

For importers, the practical lesson is straightforward:

check the surveillance status on the planned declaration date.

A shipment negotiated several months earlier may face different import conditions by the time it reaches Turkey.

Some Preferential Imports Were Exempted in the July Package

The Ministry’s July 13 explanation also stated that imports conducted under free trade agreements and the customs union were exempted from the relevant amendments described in that package. (https://ticaret.gov.tr)

Companies should nevertheless avoid generalizing this statement to every surveillance measure.

The precise communiqué governing the product should always be examined to determine country coverage, origin conditions and exemptions.

Product Classification Is Critical

Surveillance measures are generally connected to identified tariff classifications and product descriptions.

An incorrect HS classification can therefore have two opposite consequences.

A company may incorrectly believe that its product is subject to surveillance when it is not.

Or it may import goods without applying the surveillance requirements because it incorrectly classified them outside the measure.

Both situations can be expensive.

Review the Product, Not Just the HS Code

The tariff code should be examined together with the wording of the applicable surveillance communiqué.

Technical specifications can become important where a tariff heading contains multiple types of goods.

Relevant evidence may include technical data sheets, product catalogues, composition reports, laboratory analyses, photographs, manufacturing documentation and end-use information.

For expensive or high-volume imports, obtaining a classification analysis before shipment can substantially reduce risk.

Can Customs Challenge the Importer’s Declared Value?

Yes, where the legal requirements for questioning transaction value exist.

But questioning the value and applying surveillance are not necessarily the same thing.

The Ministry’s valuation guidance confirms that the transaction-value method must be examined first and that alternative methods are used sequentially where transaction value cannot be applied. (https://ticaret.gov.tr)

A company facing a valuation dispute should therefore ask customs to identify the legal reason the transaction value is considered unacceptable.

Evidence Supporting the Transaction Value

An importer may need to demonstrate that the declared value represents the genuine commercial transaction.

Useful evidence can include the purchase agreement, commercial invoice, purchase order, bank payment records, correspondence concerning price negotiations, price lists, freight documents, insurance records and accounting entries.

Related-party transactions require additional attention because customs may examine whether the relationship influenced the price.

The stronger the documentary audit trail, the easier it is to defend the declared transaction value.

Related-Party Imports Face Greater Scrutiny

Multinational groups frequently import goods from affiliated manufacturers.

A low invoice price between related companies may attract attention even where it is commercially legitimate.

The company should be prepared to explain the pricing methodology and demonstrate whether the relationship affected the transaction value.

Transfer-pricing documentation prepared for corporate tax purposes may be useful evidence, but customs valuation and corporate income tax transfer pricing are not identical legal analyses.

A pricing method acceptable for one purpose should not automatically be assumed sufficient for the other.

Surveillance Can Affect Cash Flow

The commercial consequences extend beyond customs compliance.

If the importer declares a higher amount or incurs additional taxes because of surveillance treatment, more cash is required at the border.

For companies importing continuously, this can materially affect working capital.

Finance teams should therefore be informed of surveillance exposure before annual import budgets are finalized.

Surveillance Can Affect Retail and Distribution Prices

The increased import cost may ultimately be passed through the supply chain.

The Turkish importer may increase wholesale prices.

Distributors may increase their margins.

Retail prices may rise.

The foreign exporter may then face pressure from its Turkish customer to reduce the export price.

A trade-policy measure can therefore indirectly affect the commercial relationship even though the legal obligation is handled at importation.

Long-Term Supply Agreements Should Address Surveillance Risk

Foreign exporters and Turkish buyers should consider how newly introduced surveillance measures affect pricing.

A contract negotiated when no surveillance measure existed may become economically unattractive after a new threshold is introduced.

Long-term agreements can therefore address changes in import legislation, additional customs costs, documentation obligations, renegotiation and termination rights.

This is particularly important in sectors frequently affected by trade-policy changes.

Incoterms Do Not Answer Every Surveillance Question

Delivery terms can determine which party handles certain costs and formalities, but they do not necessarily solve every consequence of a newly introduced surveillance measure.

Contracts should expressly address unexpected import-policy costs where they could materially affect the transaction.

This is especially important where the foreign seller is expected to provide documentation necessary for a surveillance certificate.

Can Importers Challenge Surveillance-Related Customs Assessments?

Potentially, depending on what exactly customs has done.

There is an important distinction between challenging:

the underlying surveillance regulation,

the tariff classification of the goods,

a refusal or administrative decision concerning a surveillance certificate,

the customs value,

or an additional customs assessment arising from the import declaration.

Each may involve different legal grounds and procedures.

The first task is therefore to identify the administrative act actually causing the financial loss.

A Customs Valuation Dispute Requires a Valuation Defense

Suppose customs rejects the importer’s transaction value and issues an additional assessment based on a higher customs value.

The importer should not frame the case merely as an objection to “surveillance.”

The central legal issue may instead be whether customs lawfully rejected the transaction-value method.

The Ministry’s own guidance confirms the hierarchy of valuation methods and the primacy of transaction value where legally applicable. (https://ticaret.gov.tr)

That framework should form part of the assessment analysis.

A Classification Dispute Requires a Different Defense

If customs argues that the product falls under a surveillance-covered tariff code, the dispute may be primarily one of classification.

The importer may need technical evidence rather than pricing evidence.

A detailed expert report explaining the composition, function and characteristics of the goods may be more valuable than hundreds of pages of invoices.

Correctly identifying the dispute saves time and litigation costs.

Registration and Surveillance Rules Also Changed in July 2026

Some import-surveillance mechanisms operate through registration requirements.

On July 17, 2026, the Ministry announced an amendment concerning certain textile, apparel and leather products. Under the amended rule, where the customs value determined and accepted during registration of the customs declaration exceeds the value recorded in the registration certificate by less than 5%, including exactly 5%, this does not prevent the import from proceeding. (https://ticaret.gov.tr)

This is a useful example of how technical procedural rules can change during the year.

Importers should therefore check amendments to the specific communiqué rather than relying solely on the original text.

Foreign Exporters Should Help Turkish Importers

Although the Turkish importer usually handles customs clearance, the foreign exporter may possess much of the evidence needed for compliance.

This can include manufacturer information, technical product specifications, price lists, cost structures, origin evidence and commercial contracts.

Foreign sellers intending to build a long-term Turkish market should therefore treat customs-surveillance requests from their Turkish customers as an important compliance issue.

What If Goods Are Already at Customs?

The company should immediately identify the applicable communiqué and determine whether a surveillance certificate or another procedure is available.

It should also calculate storage, demurrage and financing costs.

Sometimes a legally ideal solution may become commercially unattractive if the goods remain at the port for weeks.

The company should therefore compare legal, financial and logistical options simultaneously.

Do Not Artificially Change the Invoice

A surveillance issue should never be solved through false invoicing.

The commercial invoice should accurately reflect the transaction.

Creating fictitious payments, side agreements or misleading invoices can transform a trade-policy compliance issue into a much more serious customs matter.

Where the surveillance framework creates an unfavorable commercial result, the solution should be found within the lawful administrative and customs procedures.

Post-Clearance Investigations Can Still Occur

Successful release of the goods does not necessarily eliminate customs risk.

Customs authorities may subsequently examine tariff classification, value and other elements of the declaration.

Importers should therefore retain the evidence supporting surveillance compliance and customs valuation.

This is particularly important where the company repeatedly imports the same product under the same methodology.

Review Historical Declarations When a Problem Is Found

Suppose customs challenges the treatment of one shipment.

The importer should immediately determine whether the same tariff classification, valuation method and surveillance treatment were used for earlier declarations.

If so, the potential exposure may be much larger than the first assessment.

An internal review can help management quantify the risk before further customs action occurs.

Foreign Investors Should Include Surveillance in Customs Due Diligence

A company acquiring a Turkish importer or distributor should review surveillance compliance during due diligence.

Historical imports may contain hidden exposure where surveillance-covered goods were incorrectly classified or treated.

A customs due diligence review should therefore examine major imported products, tariff classifications, declared values, surveillance requirements, certificates and any voluntary value adjustments.

This can identify liabilities before the transaction closes.

2026 Compliance Checklist for Importers

Before importing goods potentially affected by surveillance, companies should verify the tariff classification, product description, applicable surveillance communiqué, current unit surveillance value, country coverage, exemptions, actual customs value and documentary requirements.

They should then determine whether a surveillance certificate is required, prepare the electronic application where necessary, obtain supporting documents from the foreign supplier and calculate the complete landed cost before shipment.

Where the transaction value is below the surveillance threshold, the company should carefully analyze the customs valuation and surveillance consequences rather than automatically changing the declared value.

The key principle is simple: a surveillance threshold and the legally determined customs value are not concepts that should be automatically treated as interchangeable.

Frequently Asked Questions

What is a customs surveillance measure in Turkey?

It is a trade-policy mechanism used to monitor imports of specified goods. Turkey uses product-specific surveillance communiqués, which may establish unit surveillance values and documentary requirements. In July 2026, the Ministry reported that the number of surveillance communiqués had increased to 192. (https://ticaret.gov.tr)

Is surveillance the same as an anti-dumping duty?

No. Anti-dumping measures address dumped imports following the applicable investigation process. Surveillance is a separate import-policy mechanism and does not itself mean that the foreign exporter engaged in dumping.

What is a surveillance certificate?

It is an import document required in circumstances specified by the relevant surveillance legislation. The Ministry confirms that applications for surveillance certificates are handled electronically through its Import Document Transactions System. (https://ticaret.gov.tr)

Is the surveillance value automatically the customs value?

Not simply because a surveillance measure exists. Customs value is determined under the valuation rules of Customs Law No. 4458 and the Customs Regulation, beginning with the transaction-value method where applicable. (https://ticaret.gov.tr)

Can customs reject the invoice price?

Customs can question transaction value where the legal conditions justify doing so. However, the Ministry confirms that customs valuation methods operate sequentially, with transaction value examined first. (https://ticaret.gov.tr)

Can surveillance increase import taxes?

It can create significant financial consequences in practice, particularly where the importer’s chosen customs-clearance approach results in a higher declared value on which ad valorem import charges are calculated.

Did Turkey expand surveillance measures in 2026?

Yes. At the beginning of 2026, the Ministry reported 184 surveillance communiqués after amendments involving 47 product groups. Following further changes announced in July, the total increased to 192. (https://ticaret.gov.tr)

Can a foreign exporter apply for the surveillance certificate?

The import-document procedure is connected to the importing company and the applicable Turkish import process. Foreign exporters should nevertheless provide their Turkish customers with the manufacturer, product, pricing and technical documentation required for the application.

Can an importer challenge a surveillance-related assessment?

Potentially, yes. The available remedy depends on whether the dispute concerns tariff classification, customs valuation, the scope of the surveillance measure, a certificate decision or an additional customs assessment.

Should surveillance be checked before goods are shipped?

Yes. This is particularly important in 2026 because Turkey has repeatedly updated product coverage and surveillance values. Checking only after arrival can result in customs delays, storage costs and unexpected import-tax exposure. (https://ticaret.gov.tr)

Client-Focused Legal Support for Customs Surveillance Disputes in Turkey

Customs surveillance can create significant financial exposure for foreign businesses even though it is legally different from an ordinary additional customs duty. The most important issues frequently involve tariff classification, product scope, surveillance values, customs valuation and the documentation required for a surveillance certificate.

Foreign companies should pay particular attention to the distinction between a surveillance value and customs value. Turkey’s customs valuation system begins with transaction value and proceeds through the legally prescribed alternative methods where the first method cannot be applied. (https://ticaret.gov.tr) A surveillance dispute should therefore be examined together with the underlying customs valuation rules rather than treating the surveillance threshold as automatically establishing the true commercial value of the goods.

The 2026 environment makes proactive compliance especially important. Turkey began the year with significant surveillance updates and introduced another package in July, bringing the Ministry’s reported number of surveillance communiqués to 192. (https://ticaret.gov.tr) Companies making recurring imports should therefore review surveillance exposure whenever product classifications, sourcing countries or import rules change.

Fırat Fesih Kaya Law Office assists foreign manufacturers, exporters, multinational companies and importers with customs surveillance measures, surveillance certificate procedures, customs valuation disputes, transaction value disputes, HS classification, post-clearance investigations, additional customs assessments, customs penalties, administrative objections and customs litigation in Turkey.

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