Case C-425/14: Judgment of the Court (Tenth Chamber) of 22 October 2015 (request for a preliminary ruling from the Consiglio di Giustizia amministrativa per la Regione Siciliana — Italy) — Impresa Edilux Srl, as the representative of a temporary joint venture, Società Italiana Costruzioni e Forniture Srl (SICEF) v Assessorato Beni Culturali e Identità Siciliana — Servizio Soprintendenza Provincia di Trapani, Assessorato ai Beni Culturali e dell’Identità Siciliana, UREGA — Sezione provinciale di Trapani, Assessorato delle Infrastrutture e della Mobilità della Regione Siciliana (Reference for a preliminary ruling — Public procurement — Directive 2004/18/EC — Grounds for exclusion from participation in a tendering procedure — Contract falling below the threshold of application of that directive — Fundamental rules of the FEU Treaty — Declaration of acceptance of a legality protocol on combating criminal activity — Exclusion for failure to lodge such a declaration — Whether permissible — Proportionality)