Transposition
Article 4
1. Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive within a period of 24 months from the date of its entry into force. They shall immediately inform the Commission thereof. When Member States adopt those measures, they shall contain a reference to this Directive or shall be accompanied by such a reference on the occasion of their official publication. The methods of making such reference shall be laid down by Member States. 2. Member States shall communicate to the Commission the text of the main measures of national law which they adopt in the field covered by this Directive.