1. Member States shall bring into force the laws, regulations and administrative provisions necessary for them to comply with this Directive by the date fixed in the second paragraph of Article 31 of Directive 93/22/EEC. They shall forthwith inform the Commission thereof.
When Member States adopt these provisions they shall include a reference to this Directive or add such a reference on the occasion of their official publication. The manner in which such references are to be made shall be laid down by the Member States.
2. Member States shall communicate to the Commission the main provisions of national law which they adopt in the field covered by this Directive.