1. Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by 17 July 2021. They shall immediately communicate the text of those measures to the Commission.
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. They shall also include a statement that references in existing laws, regulations and administrative provisions to the Directive repealed by this Directive shall be construed as references to this Directive. Member States shall determine how such reference is to be made and how that statement is to be formulated.