Cross-border surveillance is being conducted in the framework of police cooperation when the general conditions prescribed in the Article 40 para 3 of the Schengen Convention are met.
Mentioned surveillance may only be carried out where one of the following criminal offences is involved: murder, manslaughter, rape, arson, forgery of money, aggravated burglary and robbery and receiving stolen goods, extortion, kidnapping and hostage taking, trafficking in human beings, illicit trafficking in narcotic drugs and psychotropic substances, breach of the laws on arms and explosives, wilful damage through the use of explosives, illicit transportation of toxic and hazardous waste.