(MLAT)

A mutual legal assistance treaty (MLAT) is an agreement between two or more countries for the purpose of gathering and exchanging information in an effort to enforce public laws or criminal laws.Modern states have developed mechanisms for requesting and obtaining evidence for criminal investigations and prosecutions. When evidence or other forms of legal assistance, such as witness statements or the service of documents, are needed from a foreign sovereign, states may attempt to cooperate informally through their respective police agencies or, alternatively, resort to what is typically referred to as requests for “mutual legal assistance. Source – wikipedia