Article 6
1. Member States shall adopt and publish the laws, regulations and administrative provisions necessary to comply with this Directive by 23 September 1995 at the latest. They shall forthwith inform the Commission thereof. 2. Member States shall apply the measures referred to in paragraph 1 from 23 March 1995. Stock invoiced or delivered to the retailer before that date shall not be subject to the said measures until 23 September 1997. 3. When Member States adopt these measures, they shall contain a reference to this Directive or be accompanied by such reference on the occasion of their official publication. The methods of making such a reference shall be laid down by the Member States. 4. The Commission shall submit to the Council, three years after this Directive has been brought into application, an assessment report taking into consideration any difficulties which may have been encountered by operators where implementing the provisions of this Directive and shall present, should the need arise, appropriate proposals for review.