Schengen Information System

The Schengen Information System (SIS II) is a computer system for the exchange of information in the Schengen area between border officials such as the Royal Netherlands Marechaussee, customs authorities and the police. The system compensates for the disappearance of internal border controls and thus enables the free movement of people within the Schengen area.

SIS II provides the authorities with information about people who are not entitled to be in the Schengen area or who are wanted for (involvement in) criminal activities. The system also contains information about missing persons, particularly children and other vulnerable individuals in need of protection. SIS II also holds information about objects such as cars, weapons, boats and identity documents that have been lost, stolen or used in connection with criminal activities.

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