National rules
Article 79
1. Member States may maintain national rules on optional quality terms and schemes which are not covered by this Regulation, provided that such rules comply with Union law. 2. The Commission may establish and provide support for a digital system for the inclusion of the terms and schemes referred to in paragraph 1 with a view to fostering knowledge of the products and schemes across the Union. The Commission may, by means of implementing acts, lay down technical details necessary for the notification of the optional quality terms. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 88(2).