Article 3
1. Member States shall adopt and publish, by 30 June 2007 at the latest, the laws, regulations and administrative provisions necessary to comply with this Directive. They shall forthwith communicate to the Commission the text of those provisions and a correlation table between those provisions and this Directive. They shall apply the provisions from 1 July 2007. However, they may postpone until 31 December 2009 the application of the provisions in respect of the official acceptance of varieties belonging to Allium cepa L. (aggregatum group), Allium fistulosum L., Allium sativum L., Allium schoenoprasum L., Rheum rhabarbarum L. and Zea mays L. When Member States adopt those provisions, they shall contain a reference to this Directive or be accompanied by such a reference on the occasion of their official publication. Member States shall determine how such reference is to be made. 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.