1. The Contact Committee set up by Article 20 of Directive 79/279/EEC shall also have as its function:
(a) without prejudice to Articles 169 and 170 of the Treaty to facilitate the harmonized implementation of this Directive through regular consultations on any practical problems arising from its application on which exchanges of views are deemed useful;
(b) to facilitate consultation between the Member States on the more stringent or additional obligations which they may impose pursuant to Article 3 with a view to the ultimate convergence of obligations imposed in all Member States, in accordance with Article 54(3)(g) of the Treaty;
(c) to advise the Commission, if necessary, on any additions or amendments to be made to this Directive; in particular, the Committee shall consider the possible modification of Articles 3 and 5 in the light of progress towards the convergence of obligations referred to in (b) above.
2. Within five years of notification of this Directive, the Commissi