1.The Contact Committee set up by Article 20 of Directive 79/279/EEC shall also have as its function: (a) to permit regular consultations on any practical problems which arise from the application of this Directive and on which exchanges of view are deemed useful; (b) to facilitate consultations between the Member States on the stricter or additional requirements which they may lay down in accordance with Article 3, so that the requirements imposed in all the Member States may be brought into line, 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. Article 17
Member States shall take the measures necessary for them to comply with this Directive before 1 January 1991. They shall forthwith inform the Commission thereof.
2.Member States shall communicate to the Commission the provisions of national law which they adopt in the field governed by this Directive.