1. Member States shall bring into force the laws, regulations, and administrative provisions necessary to comply with this Directive as from 18 January 2012. They shall forthwith inform the Commission thereof.

When Member States adopt these 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. Member States shall communicate to the Commission the text of the main provisions of national law which they adopt in the field covered by this Directive together with a correlation table between them and this Directive.