How Turkish Courts Apply Foreign Law: MÖHUK Article 2 Explained

1. A Turkish judge must apply the designated foreign law ex officio

Article 2(1) imposes a judicial duty. The court applies Turkish conflict-of-laws rules and, where those rules designate a foreign legal system, applies that foreign law on its own motion. A party does not transform the case into a Turkish-law dispute merely by failing to cite the foreign statute.

This distinguishes applicable foreign law from an ordinary factual allegation that exists only if one side proves it. The court must first identify whether the dispute contains a foreign element and which MÖHUK connecting rule governs the issue.

For counsel, this means pleadings should not skip the conflict analysis. A strong submission identifies the relevant MÖHUK article, the connecting factor, the resulting legal system and the substantive foreign provisions that resolve the issue.

2. The court applies the Turkish conflict rule before examining substantive law

MÖHUK contains different connecting rules for legal capacity, marriage, divorce, matrimonial property, maintenance, inheritance, property rights, contracts, torts and other international private-law issues. The correct substantive law cannot be selected until the dispute is classified.

For example, MÖHUK Article 14 contains the divorce rule; Article 15 contains the matrimonial-property rule; Article 20 contains the succession rule; Article 24 contains the general contractual-obligation rule. These provisions can point to different laws within the same lawsuit.

An international file should therefore be broken into legal issues rather than assigned one global governing law. A divorce case may involve one law for divorce, another rule for a Turkish immovable and another framework for recognition of a foreign judgment.

3. Once foreign law is designated, its content must be determined accurately

Applying foreign law means more than translating a statute title. The Turkish court needs the provisions relevant to the dispute and, where necessary, information showing how those provisions operate within the foreign legal system.

The content inquiry can include current statutory text, amendments, transitional provisions, authoritative implementing rules and decisions that establish the foreign rule’s actual meaning. The aim is to apply the foreign law as law, not to substitute a rough summary found on a commercial website.

Currentness matters. A foreign statute that was amended before the relevant transaction cannot be applied from an outdated translation simply because it is easier to obtain.

4. Article 2 permits the judge to request assistance from the parties

The second sentence of Article 2(1) expressly permits the court to ask the parties to assist in determining foreign-law content. This does not transfer the court’s ex officio duty entirely to one side; it creates a practical cooperation mechanism.

A party who relies on foreign law should therefore submit reliable materials early: the official legal text, certified or professionally reliable translation, official government guidance where relevant and a reasoned legal opinion if the rule is complex.

Refusing to assist can be strategically harmful even though the judge retains the legal duty. A party that can clearly demonstrate the foreign rule reduces uncertainty and prevents the court from relying on incomplete secondary materials.

5. Official foreign legal sources are the strongest starting point

Where available, use the foreign state’s official gazette, legislation database, ministry publication or judicial portal. Identify the provision number, effective date and amendment status. If the source is online, preserve the official document rather than supplying only a search-result screenshot.

For a foreign court decision, provide enough information to identify the court, date, case number and legal proposition. A judgment from a different legal issue or outdated procedural regime should not be presented as though it were controlling.

Secondary commentaries and law-firm articles can help explain the rule, but they should not replace the primary law where the primary source can be obtained.

6. Foreign-law opinions can assist the court but do not replace the judge’s legal function

In difficult cases, the court can benefit from academic or practitioner material explaining the foreign legal system, terminology and interaction between provisions. Parties may also submit reasoned legal opinions.

The opinion should disclose its sources and reasoning. A one-page conclusion that “under German law the claimant wins,” without statutory text or legal analysis, is weak assistance for Article 2 purposes.

The ultimate task remains application of law by the court. A legal opinion helps establish content; it does not bind the Turkish judge as though it were a private arbitration award.

7. Turkish law applies only after foreign law cannot be determined despite all research

Article 2(2) creates a fallback rule: if the provisions of the applicable foreign law relevant to the case cannot be determined despite all research, Turkish law applies. The wording requires genuine research failure, not convenience.

The court should not move directly to Turkish law because a foreign-language statute is difficult to find or because neither party initially filed a translation. The statutory sequence is foreign-law determination first, Turkish-law fallback only if the necessary content remains unavailable despite the research process.

For counsel, the practical answer is to remove the uncertainty early. Submit the foreign materials before the case reaches the stage where the court considers Article 2(2).

8. Article 2(3) limits renvoi to personal-status and family-law disputes

Foreign legal systems also contain their own conflict-of-laws rules. Article 2(3) states that a foreign conflict rule pointing onward to another law is considered only in disputes concerning personal status and family law.

Where renvoi is considered and points to another legal system, the substantive-law provisions of that law are applied. The court does not continue an endless loop of conflict rules.

This limitation is important in contract and commercial litigation. The general rule there is not to follow the selected foreign legal system’s conflict rules through multiple jurisdictions; the substantive law designated by the Turkish MÖHUK rule is applied subject to the statute’s specific provisions.

9. Article 2(4) explains what a contractual choice of law normally means

Where MÖHUK permits parties to choose the applicable law, Article 2(4) provides that, unless the parties expressly agree otherwise, the choice refers to the substantive provisions of the selected law.

This prevents an ordinary clause such as “this agreement is governed by English law” from automatically importing English conflict rules that might redirect the dispute somewhere else. The parties chose a substantive legal system for the contract.

Drafting should nevertheless be precise. If parties intend a special treatment of conflict rules, mandatory rules or a particular body of law, that intention should be expressed within the limits permitted by MÖHUK.

10. Applying foreign law remains subject to Turkish public order and overriding mandatory rules

MÖHUK Article 5 provides that a foreign-law rule is not applied where the result would be manifestly contrary to Turkish public order; where necessary, Turkish law applies. Article 6 separately preserves directly applicable Turkish mandatory rules within their scope.

Public order is an exception, not a general licence to replace foreign law whenever Turkish law differs. International private law assumes that different legal systems produce different substantive outcomes.

The court should identify the specific fundamental Turkish principle allegedly offended and evaluate the concrete result of applying the foreign rule, rather than comparing statutes abstractly.

11. Contract cases often require early foreign-law preparation

MÖHUK Article 24 permits a contract to be governed by the law expressly chosen by the parties, subject to its statutory framework. Without a choice, Article 24 applies the law with the closest connection through its specified presumptions.

If a contract selects foreign law, counsel should file the selected legal provisions governing formation, performance, breach, limitation, damages and remedies actually disputed. Supplying only the foreign civil code’s general introduction is not enough.

A jurisdiction clause and a choice-of-law clause are different. Choosing Turkish courts does not automatically mean Turkish substantive law governs, just as choosing foreign law does not automatically deprive Turkish courts of jurisdiction.

12. Family-law cases are especially sensitive because renvoi can apply

MÖHUK Article 14 can point divorce and its effects to a common national law or common habitual-residence law. Article 15 uses a separate structure for matrimonial property. Article 2(3) means the foreign legal system’s own conflict rules can also become relevant in personal-status and family matters.

International spouses should therefore provide current nationality records, habitual-residence evidence and foreign family-law provisions before assuming a Turkish Civil Code article governs.

For the property-law side, see Matrimonial Property Regime in Turkey for Foreign Spouses.

13. Inheritance files can require both foreign law and mandatory Turkish rules for immovables

MÖHUK Article 20 generally applies the deceased’s national law to succession but expressly applies Turkish law to immovable property located in Türkiye. An estate containing a Turkish apartment and foreign financial assets can therefore involve more than one substantive legal system.

The Turkish court may need reliable foreign-law materials to determine heirship or shares for movable assets while applying Turkish inheritance law to the Turkish immovable. This is one reason cross-border heirship files require asset-by-asset analysis.

See Turkish Inheritance Law for Foreigners: MÖHUK Article 20 and Certificate of Inheritance in Turkey for Foreign Heirs.

14. Incorrect determination or application of foreign law can become an appellate issue

Because Article 2 treats the designated foreign law as law to be applied by the court, a dispute can arise on appeal over whether the court selected the correct legal system, determined its content adequately or applied the relevant foreign provision correctly.

The trial record should therefore contain the materials that support the foreign-law analysis. An appellate court cannot evaluate a foreign-law complaint efficiently where the file contains only an advocate’s unsupported assertion about what the foreign rule supposedly says.

State the Article 2 issue explicitly in submissions: conflict rule, connecting fact, selected law, source of foreign law, translated provision and legal consequence.

15. Practical foreign-law file checklist for overseas clients

Provide passports and nationality records, habitual-residence evidence where relevant, the contract or family-status documents creating the foreign element, and a chronology of the facts that determine the connecting factor. Then identify the official foreign legislation and effective date.

For every foreign provision, provide a reliable Turkish translation for court use and preserve the original-language source. If interpretation is disputed, add authoritative foreign judgments or a reasoned legal opinion. Foreign public documents should be authenticated where required; see Apostille and Certified Translation.

Bakırci & Keskin Law Office has one physical office in Mersin and coordinates international private-law litigation throughout Türkiye from Mersin, subject to jurisdiction and the agreed mandate.

Conclusion

Turkish courts apply foreign law under MÖHUK Article 2 as law, not merely as a fact one party must prove. The judge applies the Turkish conflict rule and designated foreign law ex officio, may request party assistance, and moves to Turkish law only when the relevant foreign provisions cannot be determined despite all research. Renvoi is limited to personal-status and family-law disputes. A permitted law choice ordinarily selects substantive rules. For foreign clients, the strongest litigation strategy is to establish the connecting factor and submit current official foreign-law sources and reliable translations before the court has to resolve uncertainty itself.