Article 1 
1. From 19 July 2011, the provisions of the Schengen acquis relating to the SIS, as referred to in Annex I, shall apply to the Principality of Liechtenstein in its relations with the Kingdom of Belgium, the Republic of Bulgaria, 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, the Republic of Hungary, the Republic of Malta, the Kingdom of the Netherlands, the Republic of Austria, the Republic of Poland, the Portuguese Republic, Romania, the Republic of Slovenia, the Slovak Republic, the Republic of Finland and the Kingdom of Sweden. 2. The provisions of the Schengen acquis relating to the SIS, as referred to in Annex II, shall apply from the date laid down in those provisions to the Principality of Liechtenstein in its relations with the Kingdom of Belgium, the Republic of Bulgaria, 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, the Republic of Hungary, the Republic of Malta, the Kingdom of the Netherlands, the Republic of Austria, the Republic of Poland, the Portuguese Republic, Romania, the Republic of Slovenia, the Slovak Republic, the Republic of Finland and the Kingdom of Sweden. 3. From 9 June 2011, real SIS data may be transferred to the Principality of Liechtenstein. From 19 July 2011, the Principality of Liechtenstein shall be allowed to enter data into the SIS and use SIS data, subject to paragraph 4. 4. Until the date of the lifting of checks at internal borders with the Principality of Liechtenstein, the Principality of Liechtenstein: (a) shall not be obliged to refuse entry to its territory to or to expel third country nationals for whom an SIS alert has been issued by a Member State for the purpose of refusing entry; (b) shall refrain from entering the data covered by Article 96 of the Convention of 19 June 1990 implementing the Schengen Agreement of 14 June 1985 between the Governments of the States of Benelux Economic Union, the Federal Republic of Germany and the French Republic on the gradual abolition of checks at their common borders ( 4 ) (the Schengen Convention).
Article 2 
This Decision shall enter into force on the day of its adoption.
Article 3 
This Decision shall be published in the Official Journal of the European Union .