"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 acquis".
اطلع عليه بتاريخ 01 نوفمبر 2014.  الوسيط |تاريخ الوصول= تم تجاهله (مساعدة); الوسيط |المسار= تم تجاهله (مساعدة); الوسيط |العنوان= تم تجاهله (مساعدة); الوسيط |التاريخ= تم تجاهله (مساعدة) "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 acquis".