Measure Implementation

Is this measure possible in your Member State under International Judicial Cooperation?

• Yes, it is. In the Polish criminal procedure, Joint Investigation Teams (JIT) are an important tool for international cooperation in criminal investigations. JITs are typically established between two or more countries to investigate cross-border criminal activities. The primary objective of a JIT is to facilitate effective cooperation among law enforcement agencies from different countries in order to combat serious organized crime and terrorism. JITs can be established upon the request of a competent authority in Poland, such as the prosecutor's office or the Police, in collaboration with corresponding authorities in other participating countries. A JIT typically consists of law enforcement officers, investigators, and prosecutors from each participating country. Each member of the JIT is chosen based on their expertise and relevance to the specific case being investigated. The JIT operates under the jurisdiction of the respective participating countries. This means that it must adhere to the legal procedures and regulations of each country involved in the investigation. JITs facilitate the exchange of information, evidence, and expertise among the participating countries. This collaborative approach helps in collecting evidence, interviewing witnesses, and tracking suspects across borders. Members of JITs may exercise certain investigative powers in the territory of other participating countries, subject to the laws and regulations of those countries. This allows for a more comprehensive and coordinated investigation. The progress and results of the investigation are typically reported to the authorities in each participating country. Coordination meetings are held to discuss findings and plan further actions.

Legal Framework

International legal framework applicable for this measure in your Member State

The national legislation implementing Council Framework Decision of 13 June 2002 on joint investigation teams (2002/465/JHA); the MLA 2000 Convention and the Second Additional Protocol to the MLA 1959 Convention.

Competent Authority

* receive the request/decision for judicial cooperation

Prosecutor’s Office (Circuit, Regional, National) conducting the criminal investigation. Usually, such requests are proceeded via the Polish Desk at Eurojust.

Accepted languages

Accepted languages for the request/decision

Polish. When the legal basis for establishing the JIT is the Second Additional Protocol to the MLA 1959 Convention, English or French are acceptable.

Execution deadline

Deadlines for the execution of the request/decision (where applicable)

No deadlines.

Concise legal practical information

Special requirements

In Poland the JIT agreement is signed by the Prosecutor General.

Last reviewed on 1 April 2026 by EJN Secretariat

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