Five years after the date referred to in Article 6(2), the Council, acting on a proposal from the Commission, shall examine and, upon a Commission proposal and in cooperation with the European Parliament, if need be, revise Article 2(4), in the light of the experience acquired in applying this Directive and of the aim of eliminating the additional information referred to in Article 2(4), taking account of the progress made in striving towards the harmonization of the accounts of banks and other financial institutions.