1.Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by 2 January 2013. They shall forthwith inform the Commission thereof.
2.Member States shall apply those measures from 2 January 2013.However, the Member States shall apply:
(c)the provisions necessary to comply with point 20 of Article 1 of this Directive in so far as it relates to Article 85c of Directive 2001/83/EC as inserted by this Directive at the latest from 1 year after the date of publication of the implementing acts referred to in Article 85c(3) as inserted by this Directive.
3.When Member States adopt the measures referred to in paragraph 1, they shall contain a reference to this Directive or be accompanied by such a reference on the occasion of their official publication. The methods of making such references shall be laid down by Member States.
4.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.