Five years after the date referred to in Article 47 (2), the Council, acting on a proposal from the Commission, shall examine and if need be revise all those provisions of this Directive which provide for Member State options, together with Articles 2 (1), 27, 28 and 41, in the light of the experience acquired in applying this Directive and in particular of the aims of greater transparency and harmonization of the provisions referred to by this Directive.