Under the Law on Criminal Intelligence of the Republic of Lithuania, application of covert monitoring of postal parcels, document parcels, correspondence or other communication is possible only before the beginning of pre-trial investigation. Seizure is a procedural coercive measure applied seeking to take things or documents that are significant to investigation of the offence, when it is exactly known where they are and in whose possession. The power of searching the contents of seized postal parcels is given to prosecutor, judge and the court. The seizure may be carried only in the course of pre-trial investigation.