Order of the Court of Justice (Fourth Chamber) of 5 April 2004 in Case C-3/02 (reference for a preliminary ruling from the Tribunale amministrativo regionale per il Veneto): Alessandro Mosconi, Ordine degli Ingegneri di Verona e Provincia v Soprintendenza per i Beni Ambientali e Architettonici di Venezia – Ministero per i Beni e le Attività Culturali (Article 104(3) of the Rules of Procedure — Directive 85/384/EEC — Mutual recognition of formal qualifications in architecture — Articles 10 and 11(g) — National legislation recognising the equivalence of qualifications in architecture and civil engineering, but reserving work on classified heritage buildings to architects — Principle of equal treatment — Situation purely internal to a Member State)