1. Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive on 1 January 1993.
However, with regard to Article 9(3) the Kingdom of Denmark is authorized to introduce the laws, regulations and administrative provisions required for complying with this provisions by 1 January 1993 at the latest.
When Member States adopt these measures, they shall contain a reference to this Directive or be accompanied by such reference on the occasion of their official publication. The methods of making such a reference shall be laid down by the Member State.
2. The Member States shall inform the Commission of the main provisions of national law which they adopt to comply with this Directive.