By 28 February of each year, suppliers shall notify the responsible official body in the participating Member State of the quantities of experimental material that they have marketed during the preceding year. The participating Member States shall keep record of the marketed quantities of experimental material. That information shall be provided on request to the certification authority.

Each participating Member State shall, for each year, present to the Commission and the other Member States, by 31 March of the following year, an annual report containing the information referred to in Annex III, where that information is available. That report shall always contain information on the quantities of experimental material marketed, and, where this is known, the Member State for which the experimental material was intended. That report may include any other information the participating Member State considers relevant.

Each participating Member State shall present to the Commission and the other Member States, by 31 March 2024, a final report containing the information referred to in Annex III. That report shall include an assessment of the conditions of the experiment and of the interest of organising a further experiment, if appropriate. That report may include any other information the participating Member State considers relevant in view of the purpose of the experiment.

A participating Member State ending its participation before 31 December 2023 shall submit its final report by 31 March of the year following the end of its participation.