Article 9
1. The declared values mentioned in Article 8(1) and (2) shall be average values based on the manufacturer's analysis of the product. Further rules for implementing this paragraph with regard in particular to the differences between the declared values and those established in the course of official checks shall be decided upon in accordance with the procedure referred to in Article 13(2). 2. The percentage of the reference values for vitamins and minerals mentioned in Article 8(3) may also be given in graphical form. Rules for implementing this paragraph may be adopted in accordance with the procedure referred to in Article 13(2).