Turkish Customs takes samples but the laboratory result does not arrive. Learn what foreign importers can do about customs laboratory delays, shipment release, written applications, second analysis, financial losses and judicial remedies in Turkey.

When Turkish Customs takes samples from imported commercial goods, laboratory analysis may become essential for determining the tariff classification, composition, characteristics or regulatory status of the shipment.

The practical problem begins when the sample has already been taken but the laboratory result does not arrive for days or weeks, leaving valuable goods at the port, temporary-storage facility or customs warehouse.

Storage and demurrage may continue accumulating while production schedules and customer contracts are disrupted.

A laboratory examination is a recognized part of Turkish customs control. Customs Law No. 4458 also provides for the costs of analyses or examinations carried out by customs laboratories or externally to be borne by declarants, and the Ministry issued an updated laboratory-analysis fee schedule for 2026.

However, the existence of a lawful laboratory procedure does not mean that an importer must remain indefinitely passive when the analysis is subject to an unexplained or excessive delay.

The appropriate response is generally:

Identify when the sample was taken → obtain the laboratory referral information → determine whether the sample actually reached the laboratory → identify the reason for delay → complete any importer-side requirement → submit a written request for completion → document commercial losses → examine alternative laboratory or release mechanisms where legally available → consider administrative or judicial remedies if inactivity becomes legally actionable.

1. Why Does Turkish Customs Take Samples?

A customs officer may be unable to determine the precise characteristics of goods merely through visual inspection or documents.

Laboratory analysis may therefore be necessary to establish matters such as:

• Chemical composition;
• Material content;
• Product characteristics;
• Technical specifications;
• Tariff classification.

Customs laboratories are specifically responsible for laboratory analysis used to determine the nature of goods and their tariff classification.

2. Sampling Does Not Mean the Importer Violated Customs Law

A sample being taken does not itself establish:

• Misdeclaration;
• Smuggling;
• Incorrect classification;
• Administrative liability.

The analysis may ultimately confirm the declaration completely.

The company should therefore distinguish between customs verification and an actual finding of irregularity.

3. Record the Sampling Date

The first important date is the day the sample was taken.

Prepare a chronology showing:

Declaration date

→ physical examination date

→ sample date

→ laboratory referral date

→ laboratory receipt date

→ result date.

Without this chronology, it is difficult to determine where the delay actually occurred.

4. Determine Whether the Sample Reached the Laboratory

Do not assume that the laboratory itself caused the delay.

The sample may still be:

• At the customs office;
• Awaiting dispatch;
• Missing documentation;
• Awaiting payment or procedural completion;
• In transit to the laboratory;
• Registered but awaiting analysis.

Identify the precise stage.

5. Obtain the Laboratory Referral Information

The importer should obtain or verify the available information concerning:

• Declaration number;
• Sample identification;
• Date of sampling;
• Laboratory;
• Analysis requested;
• Referral date;
• Current procedural status.

Turkish customs procedures use the laboratory analysis and reporting infrastructure for the transmission and processing of laboratory-related information.

6. Check Whether the Correct Documents Were Sent

Sometimes analysis is delayed because the laboratory lacks sufficient information.

Depending on the product, useful documents may include:

• Technical specifications;
• Safety data sheets;
• Composition tables;
• Product catalogues;
• Manufacturer information;
• Previous analysis reports.

Confirm that Customs has everything necessary.

7. Check Whether Laboratory Fees Have Been Paid

Laboratory analysis can involve charges borne by the declarant.

For 2026, the Ministry issued an updated schedule concerning customs laboratory analysis fees.

Confirm that no administrative or payment issue is preventing progress.

8. Ask What Question the Laboratory Is Answering

Do not accept simply:

“The goods are in the laboratory.”

Determine whether the analysis concerns:

• Tariff classification;
• Chemical composition;
• Material content;
• Product identity;
• Another technical characteristic.

Knowing the question helps determine whether the requested analysis is actually necessary.

9. Monitor the Process in Writing

Telephone calls may help operationally, but important delays should also be documented.

A written application can identify:

• Shipment;
• Declaration;
• Sampling date;
• Laboratory;
• Duration of delay;
• Commercial urgency;
• Request for information and completion.

This creates an administrative record.

10. Can the Importer Demand an Immediate Result?

An importer cannot realistically require a laboratory to produce a scientifically reliable result before the necessary examination is completed.

However, the company can request that the process be completed without unnecessary administrative delay and ask for an explanation where the file appears inactive.

11. There Is a Difference Between Necessary Analysis Time and Administrative Inactivity

Suppose a complex chemical test genuinely requires additional technical work.

That differs from a situation where:

• The sample was never forwarded;
• The file was not registered;
• Required documentation was overlooked;
• No action has occurred for an extended period.

The legal assessment should identify which situation exists.

12. Can an Accredited External Laboratory Be Used?

Not automatically at the importer’s unilateral choice.

Current Ministry guidance indicates that customs laboratory analysis is generally performed through customs laboratories. Where the relevant analysis cannot be performed by the customs laboratory, it may, under the applicable procedure, be carried out through an appropriate accredited external laboratory with costs borne by the declarant.

Therefore, a company should not simply obtain a private laboratory report and assume Customs must accept it.

13. Ask Whether the Relevant Customs Laboratory Can Perform the Test

If the delay results because the required analysis cannot actually be performed there, determine whether the applicable procedure permits referral elsewhere.

This can be particularly important for unusual industrial products.

14. Previous Laboratory Reports May Be Important

If identical goods have previously been analyzed, locate:

• Previous declaration;
• Previous laboratory report;
• Product specification;
• Manufacturer;
• Composition.

Depending on the applicable rules and circumstances, an existing valid analysis may become relevant to whether another full analysis is necessary.

15. Confirm That the Goods Are Actually Identical

Do not rely on a previous laboratory report if:

• Composition changed;
• Manufacturer changed;
• Model changed;
• Product specifications changed.

The comparison must be genuine.

16. Can the Goods Be Released Before the Result?

This depends on the legal framework governing the particular goods and the reason for analysis.

There is no universal rule allowing every shipment to enter free circulation before the laboratory result.

However, in certain regulatory contexts, official procedures have permitted delivery subject to other requirements while restricting market placement until the analysis is completed.

The importer should therefore examine whether any lawful conditional release, delivery or alternative procedure applies to the particular shipment.

17. Do Not Sell Goods Contrary to Applicable Restrictions

Even where physical possession can lawfully be obtained in a particular procedure, this does not necessarily mean that the goods may immediately be:

• Sold;
• Distributed;
• Used;
• Placed on the market.

Follow the exact conditions attached to release.

18. Calculate Storage Costs Daily

Laboratory delay can generate:

• Temporary-storage charges;
• Customs warehouse charges;
• Port storage;
• Container demurrage;
• Container detention.

Create a daily cost schedule.

19. Document Production Losses

If imported materials are required for manufacturing, preserve:

• Production plans;
• Shutdown records;
• Customer orders;
• Replacement purchases;
• Emergency transport costs.

These records may become important if the delay later develops into a compensation dispute.

20. Document Customer Penalties

If delayed clearance causes missed delivery dates, preserve:

• Customer contract;
• Delivery deadline;
• Penalty clause;
• Customer correspondence;
• Amount claimed.

The company should establish causation carefully.

21. Perishable Goods Require Immediate Escalation

Laboratory delay can be especially serious for:

• Food;
• Agricultural goods;
• Temperature-sensitive products;
• Chemicals with limited shelf life.

Record expiry dates and storage conditions immediately.

22. High-Value Industrial Goods Can Also Suffer Serious Loss

Even non-perishable goods can lose commercial value.

Delayed machinery may postpone:

• Factory commissioning;
• Construction;
• Production;
• Customer acceptance.

Quantify these consequences.

23. Submit a Formal Request for Expedited Completion

Where the delay becomes commercially serious, prepare a written application identifying:

1. Declaration number;
2. Goods;
3. Sampling date;
4. Laboratory referral;
5. Time already elapsed;
6. Financial consequences;
7. Urgency;
8. Requested action.

Avoid emotional complaints.

Use measurable facts.

24. Ask for Written Status Information

The company should seek confirmation of:

• Whether analysis has started;
• Whether additional information is needed;
• Whether technical problems exist;
• Whether the sample must be referred elsewhere.

This can identify the actual bottleneck.

25. Escalate Persistent Inactivity Administratively

If the customs office or laboratory does not resolve the problem, determine the appropriate superior administrative authority and submit a documented application.

Attach the previous correspondence.

A chronological record is much stronger than repeated telephone complaints.

26. Legal Action Should Focus on the Administrative Problem

The importer should not simply argue:

“The laboratory is slow.”

The legal file should establish:

• What administrative procedure is pending;
• How long it has remained pending;
• What action the company completed;
• Whether anything remains outstanding;
• What commercial consequences continue.

27. Can an Administrative Court Become Relevant?

Potentially.

Where customs-related administrative inactivity or a specific administrative measure becomes legally challengeable, administrative judicial remedies may need to be assessed.

The appropriate case depends on the nature of the customs action or omission.

28. Urgent Judicial Protection May Need to Be Considered

Where delay threatens serious and difficult-to-repair harm, the importer should assess whether available judicial mechanisms can provide effective interim protection.

This is particularly important where goods are:

• Perishable;
• Season-sensitive;
• Essential to factory production;
• Extremely high in value.

The legal strategy must be tailored to the actual administrative measure.

29. Do Not Wait Until the Goods Become Commercially Worthless

A common mistake is waiting several weeks before creating any written record.

Escalation should occur before:

• Storage becomes disproportionate;
• Product expires;
• Customer cancels;
• Production stops.

30. What Happens When the Laboratory Result Arrives?

There are generally two broad possibilities:

Result supports the declaration

or

result conflicts with the declaration.

Each requires a different strategy.

31. If the Result Supports the Declaration

Request completion of the remaining customs formalities without unnecessary delay.

Preserve:

• Laboratory report;
• Clearance records;
• Delay chronology;
• Cost records.

These may be relevant if the delay was unusually serious.

32. If the Result Changes the Tariff Classification

Calculate immediately:

• New tariff code;
• Customs duty difference;
• Additional customs duty;
• Anti-dumping exposure;
• Product-safety consequences;
• Historical exposure.

Do not examine only the current shipment.

33. The Importer May Have Rights Against the Analysis Result

Turkish customs legislation provides procedures concerning objections to laboratory analysis and second analyses.

Ministry guidance specifically distinguishes between repeating the first analysis because of a sample-related issue and exercising the right to a second analysis.

The importer should therefore examine the applicable procedure immediately after notification of an adverse result.

34. Do Not Confuse a Repeat Analysis With a Second Analysis

This distinction can be important.

Current Ministry guidance explains that a request based on a problem originating from the sample and a formal second-analysis request are separate procedures, and their sequence matters.

Incorrectly structuring the application can create procedural problems.

35. Preserve the Witness Sample

Where a witness or retained sample exists, its preservation may be essential for challenging the first result.

Do not wait until the objection stage to investigate what happened to the sample.

36. Second Analysis Should Be Requested Promptly Where Necessary

Once an adverse laboratory result is notified, immediately identify:

• Notification date;
• Available objection procedure;
• Second-analysis rights;
• Required fee;
• Competent authority.

Do not allow commercial negotiations to consume procedural time.

37. Review Historical Imports After an Adverse Result

Suppose laboratory analysis changes the tariff classification.

Search all previous imports involving the same:

• Product;
• Composition;
• Manufacturer;
• Tariff code.

A single laboratory result may have wider customs consequences.

38. Review Goods Already in Transit

If identical products are already travelling to Turkey, determine whether they are likely to face the same analysis.

Prepare documentation before arrival.

39. Consider Supplier Liability

If the laboratory problem results from incorrect supplier information concerning:

• Composition;
• Material;
• Technical characteristics,

preserve contractual rights against the supplier.

Obtain a written explanation immediately.

40. Review Customs Broker Conduct

Determine whether the broker:

• Correctly described the product;
• Submitted the technical documents;
• Followed the laboratory process;
• Promptly informed the company.

Broker responsibility should be examined separately from Customs’ conduct.

41. Can the Importer Claim Compensation for Delay?

Potentially, but compensation should never be assumed merely because laboratory analysis took longer than expected.

A successful compensation claim would generally require analysis of matters such as:

• Unlawful administrative conduct or legally relevant inactivity;
• Actual measurable loss;
• Causal connection;
• Evidence;
• Mitigation.

Therefore, preserve the loss file from the beginning.

42. Mitigate Losses

The importer should consider commercially reasonable steps such as:

• Alternative sourcing;
• Replacement shipment;
• Customer notification;
• Production rescheduling;
• Alternative logistics.

Failure to mitigate can complicate later loss claims.

43. Keep Customs and Commercial Claims Separate

The company may simultaneously have issues involving:

Customs

supplier

carrier

warehouse

customs broker

and insurer.

Do not treat them as a single claim.

44. Create a Laboratory Delay File

The file should contain:

• Declaration;
• Sampling record;
• Laboratory referral;
• Technical documents;
• Fee evidence;
• Written status requests;
• Responses;
• Storage invoices;
• Demurrage invoices;
• Customer correspondence;
• Production-loss records.

This allows rapid legal assessment.

45. The Importer Should Escalate Systematically

When Customs takes a sample but the result does not arrive, the recommended sequence is:

Confirm sampling

→ confirm laboratory receipt

→ identify the analysis requested

→ verify documents and fees

→ request written status

→ document urgency

→ request expedited completion

→ consider lawful alternative analysis procedures

→ document commercial losses

→ escalate administratively

→ assess judicial remedies if legally actionable inactivity continues.

24-Hour Action Checklist

1. Obtain the sampling record.
2. Confirm the sampling date.
3. Identify the laboratory.
4. Confirm laboratory receipt.
5. Determine the requested analysis.
6. Confirm all documents were transmitted.
7. Confirm laboratory fees.
8. Obtain product specifications.
9. Obtain composition information.
10. Locate previous laboratory reports.
11. Confirm whether goods are identical.
12. Ask whether additional documents are required.
13. Request written status information.
14. Calculate storage costs.
15. Calculate demurrage.
16. Record production consequences.
17. Record customer deadlines.
18. Document expiry or deterioration risk.
19. Check whether an alternative accredited laboratory procedure is legally available.
20. Check whether any lawful release mechanism applies.
21. Preserve witness samples where applicable.
22. Prepare an escalation application.
23. Review identical historical imports.
24. Review goods already in transit.
25. Preserve evidence for potential legal proceedings.

Frequently Asked Questions

1. Can Turkish Customs take samples from imported goods?

Yes. Customs may require laboratory analysis where the characteristics of the goods must be technically determined for customs purposes.

2. Does laboratory analysis mean Customs believes the declaration is false?

No. Laboratory analysis can be part of ordinary customs verification.

3. What should the importer do if the result is delayed?

First determine whether the sample reached the laboratory, whether all documents and fees were completed and whether the delay results from technical analysis or administrative inactivity.

4. Can the importer request faster processing?

Yes. Where the delay is significant, a written request explaining the shipment, sampling date, pending procedure and commercial urgency should be considered.

5. Can the importer use a private laboratory instead?

Not simply at its own discretion. Ministry guidance states that customs laboratories are the primary route; where the required analysis cannot be performed there, an appropriate accredited external laboratory may be used under the applicable customs procedure.

6. Can goods be released before the laboratory result?

Possibly in certain procedures, but there is no universal right to release before every customs laboratory result. The applicable rules for the particular goods and control must be examined.

7. Can the importer challenge an adverse laboratory result?

Yes. Turkish customs procedures recognize mechanisms concerning objections, repeat analysis in specified circumstances and second analysis.

8. Can Customs laboratory delay be taken to court?

Potentially, where the administrative action or inactivity satisfies the requirements for judicial review. The correct remedy depends on the specific procedural situation.

9. Can the importer recover storage and demurrage caused by the delay?

Potential compensation depends on whether legally actionable administrative conduct can be established together with actual loss and causation. The importer should preserve all cost evidence from the beginning.

10. What is the biggest mistake when a laboratory result is delayed?

Waiting passively without confirming where the sample is, why the analysis is delayed and whether the delay is creating legally documented commercial loss.

Client-Focused Legal Support for Customs Laboratory Delays in Turkey

Customs laboratory delays can develop into disputes involving:

Sampling procedures

Tariff classification

Laboratory analysis

Second analysis

Customs valuation

Shipment detention

Storage and demurrage

Additional customs duties

Administrative penalties

and judicial remedies against prolonged customs procedures.

Fırat Fesih Kaya Law Office assists foreign importers, manufacturers and international companies whose shipments remain pending because of customs sampling and laboratory procedures in Turkey.

Lawyer Fırat Fesih Kaya provides legal assistance in reviewing laboratory-delay files, submitting administrative applications, protecting objection and second-analysis rights, assessing urgent judicial remedies and documenting commercial losses arising from prolonged customs procedures.

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