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What is mutual legal assistance treaty (MLAT)?

11-Aug-2026
International Law

Answer By law4u team

A Mutual Legal Assistance Treaty (MLAT) is an agreement between two or more countries to help each other in the investigation, prosecution, and prevention of criminal offences. An MLAT allows one country to formally request legal assistance from another country when evidence, suspects, or assets are located outside its territory. The assistance provided under an MLAT may include: Obtaining witness statements. Collecting documents and records. Executing search and seizure requests. Identifying and tracing accused persons. Obtaining bank and financial records. Preserving and sharing digital evidence. Tracing, freezing, or confiscating proceeds of crime. Serving judicial documents. MLATs are commonly used in investigations involving: Cyber crime. Money laundering. Terrorism. Drug trafficking. Human trafficking. Financial fraud. Corruption. Organized crime. In India, requests under an MLAT are generally processed through the Central Government, which acts as the central authority for sending and receiving mutual legal assistance requests in criminal matters. An MLAT does not allow foreign police officers to directly investigate or exercise police powers in India. Any investigative action must be carried out by the competent Indian authorities in accordance with Indian law. Similarly, when India seeks assistance from another country, the requested country follows its own domestic laws and the terms of the applicable treaty before providing assistance. An MLAT is different from extradition: An MLAT is used to obtain evidence or other legal assistance. Extradition is the process of surrendering a person accused or convicted of a crime from one country to another. A country may refuse an MLAT request in certain situations, such as: The request would violate its sovereignty or national security. The request is contrary to its public policy or domestic law. The treaty permits refusal on specified grounds. MLATs play a vital role in combating cross-border crime by enabling countries to lawfully exchange evidence and cooperate in criminal investigations while respecting each other's legal systems and sovereignty.

Answer By Anik

Dear Client, Mutual Legal Assistance Treaty is an agreement between countries that allows them to assist each other in criminal investigations and prosecutions. Through an MLAT, one country can request assistance from another for obtaining documents, electronic evidence, witness statements, searches, seizures, service of judicial documents or tracing criminal proceeds. India has MLAT arrangements with several countries. Under the Bharatiya Nagarik Suraksha Sanhita, 2023, Indian courts can issue letters of request to foreign authorities for obtaining evidence located abroad. MLATs are particularly important for investigating cybercrime, money laundering, terrorism and other offences involving evidence or accused persons located in different countries. Thank you for contacting us. If you have any further queries, kindly do not hesitate to contact us again. Thank you!

Answer By Ayantika Mondal

Dear Client, A Mutual Legal Assistance Treaty (MLAT) can be defined as a treaty between two countries to work together towards the investigation and prosecution of crime. The MLATs in India help law enforcement bodies share evidence, find suspects, and seize criminal assets in other countries. The domestic system whereby international requests for assistance are fulfilled is contained in Section 111 and 112 under the Bharatiya Nagarik Suraksha Sanhita, 2023(Section 105 and 166A of the Criminal Procedure Code of 1973 ) and the Ministry of Home Affairs is the relevant authority for this purpose. I hope this answer helps. If you have any further query kindly do not hesitate to contact us. Thank you

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