Member States shall take the necessary measures to comply with this Directive by 22 May 2017.

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.

By 22 May 2017, Member States shall transmit to the Commission the text of the provisions transposing into their national law the obligations imposed on them under this Directive.