Article 15
1. Community authorities shall provide the Commission with a monthly report on all Community certificates issued and validated by them. For each certificate this report shall list at least: (a) the unique certificate number, (b) the name of the issuing and validating authorities, (c) the date of issue and validation, (d) the date of expiry of validity, (e) the country of provenance, (f) the country of origin, where known, (g) the HS code(s), (h) the carat weight and value. In accordance with the procedure referred to in Article 22(2), the Commission may determine the format of the report in order to facilitate monitoring of the certification scheme's working. 2. Community authorities shall keep for at least three years the authenticated copies provided for under Article 12(4) as well as all information received from an exporter to justify the issue and validation of a Community certificate. They shall provide the Commission or persons or bodies designated by the Commission with access to those authenticated copies and this information, in particular with a view to answering questions raised within the framework of the KP certification scheme.