1. Member States shall bring into force the laws, regulations and administrative provisions necessary for them to comply with this Directive no later than two years after the entry into force of this Directive. They shall inform the Commission thereof.
When Member States adopt those measures, they shall contain a reference to this Directive or shall be accompanied by such reference on the occasion of their official publication. The methods of making such reference shall be laid down by Member States.
2. The Member States shall communicate to the Commission the texts of the provisions of national law which they adopt in the field governed by this Directive.