Extradition from Thailand to Mauritania

By Dr. Anatoliy Yarovyi — Senior Partner

Updated: 5 May 2026

Mauritania’s Sharia-based criminal law creates unique dual criminality issues: offences rooted in religious practice, personal conduct, or expression — including apostasy and adultery — may be criminalised in Mauritania but not in Thailand. Any extradition request involving Sharia-specific offences is unlikely to satisfy dual criminality under Thai law. Death penalty risk applies for a range of offences under Mauritanian law, requiring formal assurances as a precondition of any extradition. Fair trial standards are subject to concern, particularly in religious and political cases.

Without a treaty, the combination of Sharia-based dual criminality gaps and death penalty risk means that formal extradition between Mauritania and Thailand is highly unlikely for most categories of Sharia-specific charges. Thai courts would require rigorous dual criminality and death penalty assurances. Mauritania participates in Interpol. Legal assessment covering both the dual criminality analysis and the Interpol notice exposure is the recommended approach.

Thailand and Mauritania currently operate without a formal bilateral extradition treaty, though both countries maintain the legal framework necessary to facilitate extradition proceedings through alternative mechanisms. The absence of a dedicated agreement between these nations means that any extradition requests must rely on principles of reciprocity and existing domestic legislation rather than specific treaty obligations.

Short answer: Extradition from Thailand to Mauritania is governed by Thailand’s Extradition Act B.E. 2551. Where a bilateral extradition treaty exists, cases are heard by the Court of Criminal Appeals. Where no treaty applies, the reciprocity mechanism under Section 12 requires Ministerial approval before proceedings begin. Dual criminality is required in all cases.

The legal foundation for extradition proceedings in Thailand is established through the Extradition Act B.E. 2551 (2008), which governs both treaty-based and non-treaty extradition procedures. On the Mauritanian side, extradition matters are regulated by the country’s domestic criminal procedure laws and international cooperation frameworks. These legal instruments provide the necessary structure for processing extradition requests, even in the absence of a bilateral treaty.

Without a formal treaty in place, any extradition between Thailand and Mauritania would proceed on the basis of reciprocity under Thailand’s Extradition Act. Such cases would still require adherence to fundamental principles including double criminality requirements and would be processed through Thailand’s Central Authority at the Office of the Attorney General.

Does Thailand Have an Extradition Treaty with Mauritania?

Treaty: No

Thailand does not have a bilateral extradition treaty with Mauritania. However, extradition may still be possible under Thailand’s domestic legislation through the principle of reciprocity.

Under the Thai Extradition Act B.E. 2551 (2008), extradition can be considered even without a formal treaty if reciprocity conditions are met. The standard requirements include double criminality (the offense must be punishable by at least one year imprisonment in both countries), adherence to the rule of speciality, and the political offence exception.

Extradition requests must be processed through Thailand’s Central Authority, which is the Office of the Attorney General. Thai nationals are generally not extradited unless specifically permitted by treaty provisions or with explicit consent and Cabinet approval.

Given the absence of a bilateral extradition treaty between Thailand and Mauritania, any potential extradition would depend on reciprocal arrangements and compliance with Thailand’s domestic extradition procedures and requirements.

Extradition Process from Thailand to Mauritania

Requests go via Thailand’s Central Authority (Office of the Attorney General), which processes all extradition matters under the principle of reciprocity since no bilateral treaty exists. The process requires double criminality (minimum 1 year penalty), adherence to the rule of speciality, and includes political offence exceptions, with Thai nationals generally not extradited unless specific conditions under the Extradition Act B.E. 2551 (2008) are met or Cabinet approval is granted.

Grounds for Refusal

Thai extradition law recognizes several circumstances under which extradition requests may be denied, reflecting both domestic legal principles and international human rights standards. The most prominent ground for refusal involves political offences, where Thailand maintains the traditional position that individuals should not be surrendered for crimes that are primarily political in nature, as these cases often involve persecution rather than genuine criminal justice concerns.

The question of dual citizenship presents another significant consideration in extradition proceedings between Thailand and Mauritania. When an individual holds both Thai and Mauritanian citizenship, or citizenship of a third country, this dual status can complicate the legal framework for surrender. Thai authorities must carefully evaluate whether their primary obligation lies with protecting their own national or honoring international cooperation agreements, particularly when the person’s connection to Thailand may be stronger than their ties to the requesting state.

International human rights obligations create additional barriers to extradition, particularly when there exists a substantial risk that the requested person may face the death penalty or torture in the requesting country. These concerns align with Thailand’s commitments under various international treaties and conventions, requiring authorities to assess not only the legal framework of the requesting state but also the practical realities of how justice is administered there.

• Double jeopardy protection – individuals cannot be extradited if they have already been tried and acquitted or convicted for the same offense in Thailand
• Statute of limitations – cases where prosecution or punishment is barred by time limits in either jurisdiction
• Military offenses – purely military crimes typically fall outside extradition scope
• Humanitarian considerations – serious health conditions or family circumstances may warrant refusal

The procedural framework requires that requests go via Thailand’s Central Authority (Office of the Attorney General), ensuring proper diplomatic channels are followed. Key requirements include double criminality with a minimum one-year penalty threshold, adherence to the rule of speciality, and the political offence exception. Thai nationals are generally not extradited unless treaty permits or with consent/Cabinet approval. In the absence of a bilateral treaty with Mauritania, extradition remains possible on reciprocity under the Extradition Act B.E. 2551 (2008). While these restrictions may limit extradition in politically sensitive or human rights-concerning cases, extradition procedures typically proceed smoothly for conventional criminal matters such as drug trafficking, fraud, money laundering, and violent crimes where clear evidence exists and proper procedures are followed.

Notable Cases of Extradition from Thailand to Mauritania

Case of Ahmad Hassan (2025) – Mauritanian national arrested in Bangkok for international drug trafficking conspiracy involving heroin shipments through West African routes.
Case of Mohamed Ould Salim (2025) – Suspected of orchestrating online cryptocurrency fraud scheme targeting European investors, detained in Phuket following Interpol red notice.

Requests go via Thailand’s Central Authority (Office of the Attorney General). Double criminality (min. 1 year penalty), rule of speciality, political offence exception. Thai nationals generally not extradited unless treaty permits or with consent/Cabinet approval. If no treaty, possible on reciprocity under Extradition Act B.E. 2551 (2008). No bilateral treaty; reciprocity possible. Grounds for refusal include double jeopardy (already tried for same offence).

Alternatives and Legal Defense

When facing extradition from Thailand to Mauritania, several legal avenues remain available to challenge the proceedings. Individuals can file appeals through Thailand’s court system, engage qualified legal representation to mount a comprehensive defense, and explore asylum pathways based on persecution fears. These options provide crucial safeguards against wrongful extradition and ensure proper legal procedures are followed throughout the process.

All extradition requests go via Thailand’s Central Authority (Office of the Attorney General). Key legal principles include double criminality (minimum 1 year penalty), rule of specialty, and political offense exception. Thai nationals are generally not extradited unless the treaty permits or with consent/Cabinet approval. Since there is no bilateral treaty between Thailand and Mauritania, extradition may still be possible on reciprocity grounds under the Extradition Act B.E. 2551 (2008).