The initial membership of five Member States has been extended over time to all 15 old Member States: Italy joined in 1990, Spain and Portugal in 1991, Greece in 1992, Austria in 1995, and Finland, Sweden and Denmark (under a special arrangement) in 1996.
Ziņojums: Šengenas acquis piemērošana Čehijai, Igaunijai, Latvijai, Lietuvai, Maltai, Polijai, Slovākijai, Slovēnijai un Ungārijai