1. Member States shall adopt and publish, by 6 July 2019, the laws, regulations and administrative provisions necessary to comply with this Directive. They shall immediately communicate the text of those measures to the Commission. They shall apply those measures from 6 July 2019.
When Member States adopt those measures, they shall contain a reference to this Directive or be accompanied by such a reference on the occasion of their official publication. They shall also include a statement that, for the Member States bound by this Directive, references in existing laws, regulations and administrative provisions to the Convention replaced 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.
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.