How does Turkish Customs determine origin when components and manufacturing operations come from several countries? Learn the difference between preferential and non-preferential origin, substantial processing, product-specific rules, cumulation and origin evidence.

Modern products are rarely manufactured entirely in one country.

A machine may contain German electronics, Chinese steel, Japanese sensors and Italian software before final assembly takes place in another country. Clothing may use fabric from one country, accessories from another and cutting and sewing operations in a third.

For Turkish importers, the critical question is:

Which country is legally considered the origin of the finished product?

The answer cannot normally be determined simply by looking at the country of shipment, seller’s address or final assembly location.

Under Turkish customs rules, origin represents the economic nationality of the goods, and origin is relevant to customs duties and trade-policy measures. Turkish rules distinguish between preferential and non-preferential origin.

1. Origin Is Not the Same as Country of Shipment

This is the first distinction every importer should understand.

Suppose a product is:

manufactured in Malaysia

→ sold by a Swiss trading company

→ stored in Germany

→ shipped from Germany to Turkey.

The country of shipment may be Germany.

The seller may be Swiss.

Neither fact automatically determines the product’s customs origin.

The Ministry of Trade expressly distinguishes the country of origin from the country from which goods arrive.

2. Origin Is the Economic Nationality of Goods

Origin determines the economic nationality of a product.

It can affect:

• Ordinary customs duty;
• Preferential tariff treatment;
• Additional customs duty;
• Anti-dumping measures;
• Safeguard measures;
• Quantitative restrictions;
• Other trade-policy measures.

For this reason, origin errors can create substantial customs exposure.

3. First Determine Which Origin System Applies

Before asking which country the product originates from, determine whether the case concerns:

Non-preferential origin

or

Preferential origin.

These systems serve different purposes and can apply different rules.

4. What Is Non-Preferential Origin?

Non-preferential origin is relevant where the origin of goods must be established independently of a preferential trade arrangement.

It may be particularly important for:

• Additional customs duties;
• Anti-dumping duties;
• Safeguard measures;
• Trade restrictions;
• Origin marking and other origin-dependent measures.

A Certificate of Origin generally serves as evidence concerning non-preferential origin.

5. What Is Preferential Origin?

Preferential origin determines whether goods qualify for reduced or zero customs duty under an applicable preferential trade arrangement.

The goods must satisfy the specific origin rules applicable under that arrangement.

A product can therefore fail preferential-origin requirements even though it has an identifiable non-preferential origin.

6. EUR.1 and Certificate of Origin Are Different

This distinction is frequently misunderstood.

A Certificate of Origin generally demonstrates non-preferential origin.

An EUR.1 Movement Certificate is used under applicable preferential arrangements to demonstrate qualifying originating status.

They should not be treated as interchangeable documents.

7. A.TR Does Not Establish Origin

Another common mistake involves A.TR documents.

A.TR demonstrates that goods are in free circulation within the Turkey–EU Customs Union framework.

It does not, by itself, prove that goods are EU-origin.

This distinction can become extremely important for goods manufactured using materials from several countries.

8. Why Does This Matter for Additional Customs Duty?

Under the current 2026 additional customs duty framework, certain goods entering Turkey with an A.TR but originating outside Turkey or the EU may still be subject to additional customs duty, subject to the applicable preferential-origin rules and exceptions.

Therefore:

A.TR

does not automatically mean:

EU origin.

9. Products Made in Several Countries Require a Production Analysis

Consider:

Chinese components

→ processed in Vietnam

→ assembled in Malaysia

→ sold by Singapore company

→ imported into Turkey.

Which country is the origin?

The answer depends on the applicable origin rules and what manufacturing occurred in each country.

10. Final Assembly Is Not Automatically Decisive

Importers sometimes assume:

“Final assembly occurred in Country X, therefore Country X is the origin.”

That conclusion may be incorrect.

The legal significance of assembly depends on the applicable origin rule and the nature of the processing performed.

11. Packaging Does Not Automatically Confer Origin

Goods do not normally acquire a new origin merely because they are:

• Repacked;
• Relabeled;
• Sorted;
• Stored;
• Shipped through another country.

Origin should be determined from the legally relevant production process.

12. Substantial Processing Can Be Critical

For multi-country manufacturing, one important issue under non-preferential origin analysis is whether the operations performed in a particular country satisfy the applicable legal criteria for conferring origin.

The importer should therefore identify every significant production stage.

13. Create a Manufacturing Flow Chart

For complex goods, prepare:

Country A — raw materials

↓

Country B — components manufactured

↓

Country C — components processed

↓

Country D — final product manufactured

↓

Country E — warehouse/export

↓

Turkey — import.

Then analyze which operations are legally relevant.

14. Do Not Begin With the Commercial Invoice

The invoice identifies the commercial seller.

It does not necessarily identify the origin.

For example:

Invoice issuer: Switzerland

Factory: China

Final processing: Poland

Shipment: Germany.

Each fact has a different legal significance.

15. Identify the Actual Manufacturer

Determine:

• Factory name;
• Factory address;
• Manufacturing country;
• Production capacity;
• Product manufactured;
• Operations performed.

A trading company’s registered office is not a substitute for factory evidence.

16. Obtain a Bill of Materials

For complex products, prepare a detailed bill of materials showing:

Component	Source Country	HS Classification	Value	Production Stage
Component A	Country 1	HS X	100	Raw material
Component B	Country 2	HS Y	250	Intermediate component
Component C	Country 3	HS Z	400	Major assembly

This can be essential for origin analysis.

17. Tariff Classification Can Affect Origin

The HS classification of:

• Finished product;
• Components;
• Raw materials;

may directly affect the applicable origin rule.

An incorrect classification can therefore produce an incorrect origin conclusion.

18. Tariff-Heading Changes May Be Relevant

Some preferential origin rules require specified changes in tariff classification between non-originating materials and the finished product.

For example, a product-specific rule may require processing sufficient to move the finished product into a different tariff heading from particular non-originating inputs.

The exact rule must always be checked under the applicable arrangement.

19. Value-Based Rules May Apply

Other rules may restrict the percentage or value of non-originating materials.

This requires accurate information concerning:

• Material values;
• Originating materials;
• Non-originating materials;
• Finished-product value.

Accounting data and customs origin calculations must therefore be coordinated.

20. Specific Manufacturing Operations May Be Required

Some products qualify only where particular processing occurs.

Depending on the applicable rule, simple assembly may be insufficient.

The importer must understand what actually happens at the factory rather than relying only on a supplier’s origin statement.

21. Wholly Obtained Goods Are Different

Some products may obtain origin because they are wholly obtained in one country.

Typical categories can include certain:

• Agricultural products;
• Minerals;
• Animals;
• Natural resources.

Multi-country manufacturing disputes usually arise instead with manufactured products containing materials from different countries.

22. Preferential Origin Requires the Applicable Agreement

There is no single universal preferential-origin test.

First identify:

exporting country

→ applicable preferential arrangement

→ product classification

→ product-specific rule

→ manufacturing process.

Only then can preferential origin be determined.

23. Cumulation Can Change the Result

Cumulation may allow materials originating in another participating country to be treated differently when determining the final product’s preferential origin.

This can materially change the result for multinational supply chains.

24. Cumulation Is Not Automatic

Do not assume that materials from any free-trade partner can automatically be cumulated.

Check:

• Countries participating;
• Applicable agreement;
• Origin rules;
• Documentary requirements;
• Relevant date.

25. 2026 PEM Supply Chains Need Special Attention

The Pan-Euro-Mediterranean origin framework has undergone significant changes, and the Ministry has continued updating Turkey’s PEM matrix during 2026.

For example, a March 2026 update reflected changes in the application of revised PEM rules between EFTA countries and Tunisia.

For current transactions, cumulation eligibility should therefore be checked by country and date rather than assumed from historical practice.

26. Manufacturing in Three Countries Does Not Mean Three Origins

A finished product generally needs an origin determination for the relevant customs purpose.

The fact that substantial components originate from several countries does not mean that the importer simply declares all of those countries as the finished product’s origin.

The applicable rule must be applied to the finished product.

27. Component Origin Is Still Important

Although the finished product ultimately requires an origin determination, component origins can be critical to reaching that result.

This is especially true under:

• Value-percentage rules;
• Tariff-change rules;
• Cumulation arrangements;
• Product-specific manufacturing requirements.

28. Software and Intangible Inputs Require Careful Analysis

Modern products may combine:

• Physical components;
• Embedded software;
• Intellectual property;
• Engineering.

Do not automatically assume that the country where software was written determines the origin of the physical product.

Apply the origin rule relevant to the imported merchandise.

29. Research and Design Location Is Not Automatically Origin

A product may be:

designed in Germany

engineered in France

manufactured in China.

“Designed in Germany” does not automatically mean German customs origin.

Marketing descriptions should not replace legal origin analysis.

30. Headquarters Location Is Usually Not Decisive

A US-headquartered company may manufacture products entirely in Asia.

Likewise, a European brand may manufacture through third-country contract manufacturers.

Corporate nationality and product origin are separate concepts.

31. Brand Origin Is Not Customs Origin

Statements such as:

German brand

Italian technology

Japanese company

do not establish customs origin.

Customs examines the goods and applicable origin rules.

32. Country-of-Origin Marking Should Be Consistent

Check:

• Product labels;
• Packaging;
• Certificates;
• Commercial invoices;
• Supplier declarations;
• Customs declarations.

Inconsistent country references can trigger questions.

33. Supplier Declarations Should Be Verified

A supplier may declare that a component has preferential origin.

Where that statement affects the final product’s origin calculation, preserve the supporting supplier declaration and verify its relevant period.

Do not rely indefinitely on old declarations.

34. Production Changes Can Change Origin

Suppose a product originally uses:

EU-origin motor

but later switches to:

non-originating motor.

The finished product’s origin analysis may change even though:

• Model number remains identical;
• Supplier remains identical;
• Product appearance remains identical.

Origin should therefore be monitored when sourcing changes.

35. Factory Changes Can Also Change Origin

If production moves from one country to another, the existing origin documentation should immediately be reviewed.

Do not continue using old origin declarations mechanically.

36. Direct Shipment Is a Separate Issue

Preferential-origin regimes may also contain territorial, transport or non-alteration requirements.

A product may satisfy the manufacturing-origin rule yet encounter a separate preferential-treatment problem because of what happened during transit through another country.

Do not confuse:

origin acquisition

with

transport requirements for claiming preference.

37. Transshipment Does Not Automatically Change Origin

A product manufactured in Country A does not automatically become Country B origin merely because it passes through Country B.

The Ministry expressly notes that the country of origin and the country from which goods arrive can differ.

38. Anti-Dumping Cases Require Particular Care

If a product originates in a country subject to anti-dumping duty, Customs may closely examine manufacturing performed in other countries.

The importer should be prepared to demonstrate:

• Actual manufacturer;
• Production operations;
• Component sources;
• Factory records;
• Physical shipment route.

39. Additional Customs Duty Also Makes Origin Important

Turkey’s current additional customs duty regime contains origin-sensitive provisions.

For goods covered by the relevant tables, correct determination and proof of origin can therefore have immediate financial consequences.

40. Origin Documentation Can Be Verified After Importation

Customs clearance does not necessarily end the issue.

The Ministry confirms that origin documents may subsequently be sent for verification where their accuracy or compliance is questioned.

Maintain supporting records after release.

41. Build an Origin File Before Importation

For high-value multi-country products, prepare:

• Product classification;
• Manufacturing flow;
• Bill of materials;
• Component origin;
• Supplier declarations;
• Product-specific origin rule;
• Origin calculation;
• Supporting certificate.

Do not wait for a post-clearance investigation.

42. Do Not Let the Supplier Make the Legal Decision Alone

The foreign supplier may state:

“Origin: Country X.”

That statement is evidence, but it should not automatically end the analysis where significant customs consequences depend on origin.

The Turkish importer should understand the basis for the supplier’s conclusion.

43. Review Origin by Product, Not Only by Supplier

One supplier may sell:

Product A — Country X origin

and

Product B — Country Y origin.

Origin should therefore be mapped at product or product-family level.

44. Review Origin by Period

The same product may have different origin across different periods because of changes in:

• Components;
• Factory;
• Manufacturing process;
• Origin rules;
• Cumulation possibilities.

Maintain historical versions of origin analyses.

45. Immediate Action Plan for Multi-Country Products

When a product is manufactured across several countries:

Confirm HS classification

→ identify every manufacturing country

→ identify the actual factory

→ prepare manufacturing flow

→ prepare bill of materials

→ determine component origins

→ distinguish preferential and non-preferential origin

→ identify the applicable product-specific rule

→ analyze substantial processing

→ calculate value thresholds where applicable

→ review tariff changes

→ review cumulation

→ check transport requirements

→ prepare documentary proof

→ review the analysis whenever the supply chain changes.

25-Point Multi-Country Origin Checklist

1. Finished product.
2. HS classification.
3. Manufacturer.
4. Factory location.
5. Exporter.
6. Seller.
7. Shipping country.
8. Manufacturing flow.
9. Bill of materials.
10. Component classifications.
11. Component origins.
12. Component values.
13. Processing in each country.
14. Final assembly.
15. Preferential or non-preferential origin.
16. Applicable trade agreement.
17. Product-specific origin rule.
18. Tariff-change requirement.
19. Value threshold.
20. Specific processing requirement.
21. Cumulation.
22. Supplier declarations.
23. EUR.1 or other applicable proof.
24. Certificate of Origin where relevant.
25. Post-clearance evidence file.

Frequently Asked Questions

1. Which country is the origin when a product is manufactured in several countries?

It depends on the applicable origin regime and the manufacturing operations performed. The country of final shipment or seller’s location does not automatically determine origin.

2. Does final assembly always determine origin?

No. The applicable origin rule must be examined. Simple or limited assembly may not necessarily confer the claimed origin.

3. Is the country shown on the commercial invoice the origin country?

Not necessarily. The invoice identifies the commercial transaction, while customs origin concerns the economic nationality of the goods.

4. Is an A.TR document proof of EU origin?

No. A.TR establishes free-circulation status rather than origin.

5. Can materials from several countries still result in preferential origin?

Yes, potentially. The result depends on the applicable product-specific rules and, where relevant, permitted cumulation.

6. Does packaging goods in another country change their origin?

Generally, shipment, storage or packaging alone should not simply be assumed to confer a new origin. The actual processing and applicable legal rule must be examined.

7. Does the headquarters country of the manufacturer determine origin?

No. Corporate nationality and the customs origin of the goods are different concepts.

8. Can Customs investigate origin after the goods have been released?

Yes. Origin documents may be subject to subsequent verification where Customs questions their accuracy or compliance.

9. Why is origin particularly important in Turkey in 2026?

Origin can affect ordinary preferential treatment as well as additional customs duties and other trade-policy measures. The current additional customs duty framework continues to contain origin-dependent rules.

10. What is the safest method for determining origin?

Start with the finished product’s correct tariff classification, map every significant manufacturing operation and component source, identify whether preferential or non-preferential origin is required, and then apply the specific origin rule relevant to that product, country and import period.

Client-Focused Legal Support for Multi-Country Origin Issues in Turkey

Complex international manufacturing structures can create disputes involving:

Multi-country production

Preferential origin

Non-preferential origin

Substantial processing

Product-specific origin rules

Supplier declarations

Cumulation

A.TR and EUR.1 documents

Additional customs duties

Anti-dumping measures

and post-clearance origin investigations.

Fırat Fesih Kaya Law Office assists foreign manufacturers, multinational companies and Turkish importers in determining the customs origin of products manufactured through complex international supply chains.

Lawyer Fırat Fesih Kaya provides legal assistance in reviewing manufacturing flows, tariff classifications, bills of materials, supplier declarations, preferential and non-preferential origin rules, cumulation structures and documentary evidence, as well as responding to Turkish Customs origin investigations and challenging additional assessments and penalties.

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