1. The NCAs shall inform the ECB at least once a year of any problems experienced since the last report, actions taken in response to these problems and planned improvements with regard to the protection of confidential statistical information. The ECB shall also draw up a report covering the same issues at least once a year.
2. The Governing Council shall assess the implementation of this Guideline at least once a year. In preparation for that assessment, the ECB shall be informed of the authorisation rules and types of protection measures applied by the NCAs as referred to in Articles 2, 3 and 5 of this Guideline. The ECB shall report to the Governing Council on the application of those rules and protection measures by both the NCAs and the ECB.