Currency Offences and Customs Smuggling: A Guide for Foreign Investors

For a foreigner investing or setting up a business in Türkiye, moving money and goods across the border can feel like a routine logistics step. In reality, undeclared cash at an airport, a piece of business equipment slipped through customs "by hand", or an import whose value is understated can all trigger serious administrative and criminal consequences under Turkish exchange-control and anti-smuggling law. This article looks at the parts of Law No. 1567 on the Protection of the Value of Turkish Currency and Law No. 5607 on Combating Smuggling that matter most to foreign investors.

Cross-Border Cash and Exchange-Control Law

The movement of cash, precious metals and precious stones into and out of Türkiye sits within the framework of Law No. 1567. Article 1 of the Law empowers the President to regulate and restrict the import and export of foreign exchange, banknotes, precious metals and stones, goods made from them, and all instruments that serve as a means of payment. The presidential decisions and communiqués issued under this power set the operative rules in practice.

Türkiye generally does not cap the amount of foreign currency a traveller may carry in; however, cash being transported may need to be declared when customs requests it. Large or unexplained amounts can draw scrutiny from both customs and MASAK (the Financial Crimes Investigation Board) under Law No. 5549. An investor carrying significant cash across the border should therefore be ready to document the source and purpose of the funds. Because declaration thresholds are adjusted from time to time, it is wise to confirm the current figure before travelling.

The Customs Smuggling Offence: Law No. 5607

Breaches involving the movement of goods are handled under Law No. 5607 on Combating Smuggling. Under Article 3(1), a person who brings goods into the country without subjecting them to customs procedures faces one to five years' imprisonment and a judicial fine of up to ten thousand days; where the goods are brought in outside official customs gates, that penalty is increased by between one-third and one-half.

Paragraph two separately punishes customs valuation fraud: bringing goods into the country through deceptive acts and conduct so that customs duties are wholly or partly evaded carries two to five years' imprisonment. In other words, understating an invoice or misdeclaring the nature of the goods to reduce duty falls squarely within this offence. Where the value of the goods is excessive, the penalty is increased; where it is minor or very minor, it is reduced (Article 3(23)). In addition, under Article 6, goods found on a traveller contrary to their declaration are dealt with directly under Article 3 if the goods are of a commercial nature or their import or export is prohibited.

Administrative Fine or Criminal Offence? Why the Distinction Matters

The point foreign investors most often misjudge is whether the sanction they face is administrative or criminal. That distinction shapes the entire process.

Article 3 of Law No. 1567 is largely administrative. A person who acts contrary to the obligations set out in presidential decisions is fined between three thousand and twenty-five thousand Turkish lira. Following a 2025 amendment, the unauthorised removal from, or introduction into, the country of the valuables listed in Article 1 attracts an administrative fine of between half and twice the market value of the goods, provided the act does not amount to an offence or a misdemeanour under Law No. 5607. The public prosecutor imposes this fine, and where the act remains at the attempt stage the penalty is halved.

By contrast, conduct falling under Law No. 5607 is criminal: it means imprisonment, a criminal record and confiscation of the goods. In short, exchange-control breaches usually end in an administrative fine, whereas customs smuggling leads to a criminal trial. Because a single incident may sometimes engage both regimes, identifying early which provision applies is decisive for the defence.

Common Pitfalls for Foreign Investors

In practice, the most frequent problems come from simple lack of information:

• Undeclared cash or jewellery at the airport: High-value jewellery or cash mistaken for personal effects can, if not declared, trigger both exchange-control and smuggling scrutiny.
• "Informal" import of business equipment: Bringing in samples, machinery or electronics without a customs declaration may be assessed under Article 3 of Law No. 5607.
• Understating value with a low invoice: Showing an invoice below the true value to cut duty counts as customs valuation fraud and is a criminal offence.
• Failure to repatriate export proceeds: Not bringing export foreign-currency earnings into the country on time gives rise to a separate administrative fine under Law No. 1567.

The effective-remorse provision in Article 5 of Law No. 5607 can secure a significant reduction where twice the customs-assessed value of the goods is paid to the Treasury; this option, however, is not available to repeat offenders or in organised crime.

Frequently Asked Questions

Is there a limit on how much cash I can bring into Türkiye? There is no general cap on foreign currency, but cash being carried must be declared when customs asks. Large sums may be subject to MASAK review, so document the source of the funds and confirm the current threshold before you travel.

What happens if I take my business equipment through customs without declaring it? Bringing goods into the country without subjecting them to customs procedures is a smuggling offence under Article 3 of Law No. 5607 and can lead to imprisonment and confiscation of the goods.

Does an exchange-control breach always mean a prison sentence? No. Breaches under Law No. 1567 are, as a rule, met with an administrative fine. Imprisonment arises when the incident turns into a smuggling offence under Law No. 5607.

If goods I failed to declare are seized, can I get them back? That depends on the outcome of the customs and criminal proceedings. Effective remorse and administrative appeal routes can, in certain conditions, reduce the loss, which is why early legal support matters.

How Mona Hukuk Can Help

Exchange-control and smuggling law is a technical field where administrative sanctions and criminal proceedings intersect. At Mona Hukuk we advise foreign investors and businesses on customs disputes, objections to exchange-control administrative fines, defence in smuggling prosecutions, and preventive counsel on cross-border movements of funds and goods.

For advice in Antalya, write to contact@monahukuk.com or call +90 (242) 606 14 32.