Production fields shall be inspected and seed samples shall be taken, at random every year, of at least of 5 % of all the lots of seeds of populations and production fields under the experiment by official seed samplers.
Each production field shall be officially checked during the temporary experiment at least twice.
These samples shall be used for controlling compliance with Article 5, as regards the identity, and with Article 9, as regards the quality of the seed.
Comparative field trials shall be carried out on each of the authorised populations marketed under the experiment.
The field trials shall be carried out by competent authorities, research institutions or by breeders or producers. In case of breeders and producers, the Member States shall supervise the trials.