Raw Materials Detained at Turkish Customs: Legal Solutions for Manufacturing Companies — 2026 Current Guide

Are raw materials detained at Turkish customs? Learn how manufacturing companies can obtain urgent release, reduce production losses and challenge customs decisions in 2026.

The detention of imported raw materials at Turkish customs can disrupt an entire supply chain. A manufacturer may be unable to operate production lines, fulfil customer orders or meet export commitments while customs inspections and regulatory procedures continue. Storage, demurrage, financing costs and contractual penalties may increase daily.

Manufacturing companies should identify the exact cause of detention immediately. A dispute involving customs value requires a different response from a product-safety restriction, missing certificate or suspected declaration error. The company should complete correctable requirements while preserving its right to challenge any unlawful decision.

Why Are Raw Materials Detained at Turkish Customs?

Customs may detain raw materials because of tariff-classification, value, origin or quantity concerns. Chemical composition, intended use, processing method and technical specifications may determine the correct classification and applicable customs duties.

Detention may also arise from missing import permits, health certificates, test reports or product-specific conformity documents. Chemicals, food ingredients, agricultural products, plastics, metals and industrial substances may be subject to different regulatory controls.

An inconsistency between the invoice, packing list, safety data sheet and customs declaration may trigger additional inspection. Customs may request samples, laboratory testing or information from another competent authority before authorising release.

In more serious cases, detention may involve suspected under-invoicing, false origin information, prohibited goods or smuggling. These files require immediate legal assessment because they may lead to penalties, seizure or criminal proceedings.

What Should the Company Do Immediately?

The manufacturer should obtain the customs declaration, inspection record, official notification and every document requested by customs. It should identify the authority controlling the file and the legal reason preventing release.

The company should prepare a chronology showing when the shipment arrived, when the declaration was submitted, which documents were requested and when responses were provided. This helps distinguish administrative delay from problems caused by the importer, supplier, customs broker or laboratory.

An urgency application should explain how the detention affects production. The company may attach inventory records, production plans, customer orders, export commitments and a calculation of daily loss.

At the same time, the importer should examine partial release, release against security, accelerated testing, alternative storage, re-export and replacement sourcing. Managing these options together may prevent a temporary customs problem from becoming a complete production shutdown.

Can the Raw Materials Be Released Against Security?

Release against payment or security may be possible where the dispute concerns customs duties, declared value or tariff classification. The importer may secure the disputed amount and request release while preserving its objection rights.

This option can be commercially valuable where the daily production loss exceeds the cost of the guarantee. The company should compare financing expenses, storage costs and expected downtime before deciding.

Security does not normally replace mandatory safety, health or environmental approval. If the raw materials are considered potentially dangerous or non-compliant, the relevant inspection may need to be completed before release.

The importer should document any payment or guarantee carefully and avoid unintentionally waiving its right to challenge the customs assessment.

Can Customs Release Part of the Shipment?

Partial release may be possible where compliant batches can be reliably separated from disputed materials. Batch numbers, production dates, packaging records and laboratory samples may help establish the distinction.

If the customs concern relates to only one type of material, the manufacturer should request separate treatment of unaffected products. The application should explain how separation can occur safely under customs supervision.

Partial release may be refused where all materials are covered by the same declaration problem, the shipment cannot be divided or the entire consignment is required as evidence. Nevertheless, a technically supported request can prevent unnecessary detention of goods unrelated to the dispute.

Can Laboratory Testing Be Accelerated?

The importer may submit a written request for urgent sampling, analysis or review. The application should explain the material’s production function, storage conditions, shelf life and financial consequences of delay.

The company should obtain information about the sample quantity, seal numbers, testing method and responsible laboratory. Where permitted, representative samples should be preserved for a possible second examination.

If the laboratory result is disputed, an objection should identify specific technical errors. These may include improper sampling, contamination, use of an incorrect standard or testing of material from the wrong batch.

A private expert opinion may support the challenge, although it does not automatically replace the official result. The opinion should address the exact material, test method and disputed finding.

What If the Tariff Classification Is Disputed?

Classification of raw materials often depends on chemical composition, degree of processing and intended function. Commercial product names may not provide enough information.

The importer should submit technical data sheets, composition analyses, manufacturer explanations, production-process documents and relevant samples. It should explain how the material will be used in the manufacturing process.

An adverse classification decision may affect customs duties, additional financial obligations and import restrictions. The importer should calculate both the disputed amount and the commercial cost of continued detention.

For future shipments, advance classification planning and consistent technical descriptions can reduce the risk of repeated disputes.

What If Customs Questions the Declared Value?

Customs may examine purchase prices, discounts, related-party relationships, royalties, freight charges and payments made outside the invoice. Group companies importing materials from an affiliated supplier should be prepared to demonstrate that the relationship did not improperly influence the price.

The importer should provide the supply agreement, invoices, bank transfers, pricing policy and comparable transaction information. Quantity discounts, rebates and long-term supply arrangements should be clearly documented.

If the dispute concerns only the amount of customs duties, payment or security may allow release. The manufacturer should not permit a manageable valuation dispute to create disproportionately large production losses without evaluating this option.

Can the Manufacturer File an Administrative Objection?

Yes. A customs administrative decision may be challenged through the applicable objection procedure. Short periods may begin from formal notification, so the company should act promptly.

The objection should explain the legal and technical errors, identify the goods and attach the supporting documents. It should also request urgent examination because of the continuing production and storage losses.

An objection does not necessarily suspend detention, liquidation or destruction. Where an irreversible action is threatened, the importer should separately request postponement or consider urgent judicial protection.

Can an Emergency Court Application Be Made?

Urgent judicial protection may be available if the applicable conditions are satisfied. The manufacturer should demonstrate that continued detention would cause damage that is difficult to repair and that the challenged decision appears unlawful.

The application should include production records, inventory levels, customer commitments and evidence that no substitute material is reasonably available. A daily loss calculation can demonstrate the seriousness of the situation.

Filing a lawsuit alone should not be assumed to stop enforcement. The company must clearly request the appropriate temporary measure and identify the administrative decision to be suspended.

Can the Materials Be Re-Exported?

Re-export may be considered where clearance cannot be completed or the supplier agrees to accept the materials back. Customs approval, suitable transport and acceptance by the destination country will be required.

The manufacturer should calculate storage, demurrage, handling and re-export expenses. It should also review whether the supplier must refund the purchase price or reimburse associated losses.

Re-export may be restricted for unsafe, prohibited, contaminated or investigation-related materials. The supplier’s agreement does not replace official authorisation.

Can the Company Claim Compensation for Production Loss?

Potentially, if unlawful administrative conduct caused proven damage. A lawful customs inspection does not automatically make the administration responsible for commercial losses.

The company must prove the unlawful delay, actual loss and causal connection. Customs may argue that incomplete documents, incorrect classification or late responses caused the detention.

Recoverable losses may include additional storage, demurrage, emergency replacement purchases and certain production losses. Lost profits require reliable accounting and commercial evidence rather than general estimates.

Can the Supplier Be Liable?

The overseas supplier may be responsible if it delivered non-conforming materials, provided inaccurate documents or failed to supply promised certificates. The importer should send a formal notice and comply with contractual deadlines.

The supply agreement, specifications, delivery terms and quality warranties should be examined. Depending on the contract, the manufacturer may seek replacement, refund, price reduction or damages.

The goods’ condition and composition should be documented before they are returned, destroyed or transferred. Samples and independent analysis may be essential in a later supplier dispute.

Can the Customs Broker Be Liable?

A customs broker may face liability if an incorrect declaration, missed notification, late filing or failure to follow instructions caused the detention. Written instructions and electronic system records are important evidence.

The broker is not automatically liable for every customs delay. The company must identify a specific professional failure and show how it caused or extended the loss.

Responsibility may be divided. A supplier’s incorrect technical document may cause the initial detention, while a broker’s late response may increase its duration.

How Can Storage and Demurrage Losses Be Reduced?

The importer should immediately obtain the carrier’s free-time terms and daily demurrage rates. It should request additional free time and provide evidence that the container is under official control.

Where possible, the materials may be transferred to an authorised warehouse so that the container can be returned. The company should compare unloading, warehouse and reloading costs against expected demurrage.

All agreements with carriers, terminals and warehouses should be confirmed in writing. An informal promise to suspend charges may not protect the company from a later invoice.

What Evidence Should Be Preserved?

The evidence file should include the customs declaration, invoices, packing lists, certificates, technical data sheets, safety documents and origin records. Official notifications, inspection reports, laboratory findings and sampling records must also be retained.

Production evidence should include inventory reports, manufacturing schedules, customer contracts, export commitments and downtime records. Replacement purchases and emergency transport costs should be documented.

A daily chronology should identify the reason for detention, action taken and cost incurred on each day. This can help allocate responsibility among customs, the supplier, broker, carrier and warehouse.

Fırat Fesih Kaya Law Office and Lawyer Fırat Fesih Kaya assist manufacturing companies with urgent release applications, customs objections, re-export procedures and compensation claims involving detained raw materials.

Raw Material Imports Under the 2026 Customs Framework

In 2026, manufacturers must continue to review product-specific controls, electronic customs notifications and current documentary requirements before shipment. Chemical composition, intended use and tariff classification remain particularly important for industrial raw materials.

Companies should conduct pre-shipment compliance reviews and ensure that invoices, technical documents and declarations use consistent descriptions. Alternative suppliers and reasonable safety-stock policies can also reduce the operational impact of customs detention.

Frequently Asked Questions (FAQ)

1. Why does customs detain imported raw materials?

Common reasons include classification, value, origin, missing permits, laboratory testing and inconsistent documents.

2. Can raw materials be released against a guarantee?

Potentially, where the dispute is financial. A guarantee usually cannot replace mandatory safety approval.

3. Can compliant batches be released separately?

Possibly, if the batches are traceable and can be safely separated.

4. Can laboratory testing be accelerated?

The importer may request urgent testing and should document the daily production consequences.

5. Does an objection automatically release the goods?

No. A separate release arrangement or urgent judicial measure may be necessary.

6. Can the materials be returned to the supplier?

Potentially, through an approved re-export procedure and subject to applicable restrictions.

7. Can the company claim lost profits?

Potentially, if unlawful conduct caused the delay and the profits are proven with reliable evidence.

8. Can the supplier pay the customs-delay costs?

Yes, where incorrect goods or documents caused the delay and contractual liability is established.

9. Can the customs broker be responsible?

Yes, if a professional error caused or extended the detention.

10. What evidence is most important?

Customs records, technical documents, laboratory evidence, production data and a daily loss chronology are particularly important.

This article is intended for general informational purposes only. To avoid any loss of rights, we recommend consulting your lawyer regarding your specific circumstances.

Legal Support

Fırat Fesih Kaya Law Office and Lawyer Fırat Fesih Kaya provide professional legal assistance to clients in Turkey and abroad in raw-material detention, customs release, production-loss and compensation disputes.

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