Article 1 
1. All the provisions referred to in Annexes A and B to the Agreement between the European Union, the European Community and the Swiss Confederation on the Swiss Confederation’s association with the implementation, application and development of the Schengen acquis and all the provisions listed in the Annex to the Protocol to that Agreement and any act constituting a further development of one or more of these provisions, shall apply to the Principality of Liechtenstein, in its relations with the Kingdom of Belgium, the Czech Republic, the Kingdom of Denmark, the Federal Republic of Germany, the Republic of Estonia, the Hellenic Republic, the Kingdom of Spain, the French Republic, the Italian Republic, the Republic of Latvia, the Republic of Lithuania, the Grand Duchy of Luxembourg, Hungary, Malta, the Kingdom of the Netherlands, the Republic of Austria, the Republic of Poland, the Portuguese Republic, the Republic of Slovenia, the Slovak Republic, the Republic of Finland, and the Kingdom of Sweden as from 19 December 2011. All restrictions on the use of the Schengen Information System by the Member States referred to in the first subparagraph shall be lifted as from the same date. 2. The provisions of the Schengen acquis put into effect by the United Kingdom of Great Britain and Northern Ireland on the basis of Article 1 of Decision 2004/926/EC and any act constituting a further development of one or more of those provisions, shall apply to the Principality of Liechtenstein, in its relations with the United Kingdom of Great Britain and Northern Ireland as from 19 December 2011. 3. The provisions of the Schengen acquis applicable to the Republic of Cyprus on the basis of Article 3(1) of the 2003 Act of Accession, and to the Republic of Bulgaria and Romania, on the basis of Article 4(1) of the 2005 Act of Accession, and any act constituting a further development of any of those provisions, shall apply to the Principality of Liechtenstein in its relations with the Republic of Cyprus, the Republic of Bulgaria and Romania as from19 December 2011.
Article 2 
This Decision shall enter into force on the day of its publication in the Official Journal of the European Union .