The Schengen Information System (SIS) constitutes an essential tool for the application of the provisions of the Schengen acquis as integrated into the framework of the European Union.
Is uirlis riachtanach Córas Faisnéise Schengen (SIS) chun forálacha acquis Schengen, arna lánpháirtiú i gcreat an Aontais Eorpaigh, a chur i bhfeidhm.