Unless otherwise specified in this title, this Regulation and any regulations implementing this Regulation adopted pursuant to Article 158 shall apply to applications for international registrations under the Protocol relating to the Madrid Agreement concerning the international registration of marks, adopted at Madrid on 27 June 1989 (hereafter referred to as ‘international applications’ and ‘the Madrid Protocol’ respectively), based on an application for a Community trade mark or on a Community trade mark and to registrations of marks in the international register maintained by the International Bureau of the World Intellectual Property Organisation (hereafter referred to as ‘international registrations’ and ‘the International Bureau’, respectively) designating the European Community.