(18)As regards Switzerland, this Decision constitutes a development of provisions of the Schengen acquis within the meaning of the Agreement signed 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 falls within the area referred to in Article 1, point G of Decision 1999/437/EC read in conjunction with Article 4(1) of Council Decision 2004/860/ECnote.