From 9 June 2011, real SIS data may be transferred to Liechtenstein and from 19 July 2011, Liechtenstein shall be allowed to enter data into the SIS.
Alates 9. juunist 2011 võib Liechtensteinile edastada SISi tegelikke andmeid ning alates 19. juulist 2011 lubatakse Liechtensteinil sisestada andmeid SISi.