(6)As regards Liechtenstein, this Decision constitutes a development of the provisions of the Schengen acquis within the meaning of the Protocol between the European Union, the European Community, the Swiss Confederation and the Principality of Liechtenstein on the accession of the Principality of Liechtenstein 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 acquisnote which fall within the area referred to in Article 1, points B, C, D and F, of Decision 1999/437/EC read in conjunction with Article 3 of Council Decision 2011/350/EUnote,