1.Member States shall ensure that the persons responsible for affixing the labels for standard seed intended for marketing:
(a)inform them of the dates when their activities begin and end;
(b)keep records of all lots of standard seed and make them available to the Member States for not less than three years;
(c)make available to Member States for not less than two years a control sample of seed of varieties for which maintenance is not required;
(d)draw samples from each lot intended for marketing and make them available to Member States for not less than two years.
The operations referred to in points (b) and (d) shall be subject to official checks carried out on a random basis. The obligation laid down in point (c) shall apply only to producers.
2.Member States shall ensure that any person intending in accordance with Article 28(4) to make reference to a given maintenance of a variety state this intention in advance.