A judge or a prosecutor of one EU country can request judicial assistance or enforcement of a judicial decision in another EU country.
Tools of judicial cooperation
Supporting the facilitation of judicial cooperation in criminal matters.
Which country’s court is responsible (Conflicts of jurisdiction)
Jurisdiction refers to the right and power to administer justice within a defined territory. This includes the powers of legal courts to hear cases concerning persons, property or events and the authority to intervene, such as the arrest of persons or the seizure of property.