Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by 20 January 2011. They shall forthwith inform the Commission thereof.
They shall apply those measures with effect from 20 July 2011.
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.
Member States shall communicate to the Commission the provisions of national law which they adopt in the field covered by this Directive.