Article 19

Member States shall adopt and publish the laws, regulations and administrative provisions necessary to comply with this Directive by 12 June 2007. They shall forthwith inform the Commission thereof and inform the Commission of any subsequent amendments without delay.
They shall apply those measures by 12 December 2007. When Member States adopt those measures, they shall contain a reference to this Directive or be accompanied by such a reference on the occasion of their official publication. Member States shall determine how such reference is to be made.