ANNEX VIISupplementary provisions
ANNEX VII Logging and Statistics of the data collected at the central hub 1. In order to ensure privacy, the data for statistical purposes shall be anonymous. Data identifying a specific card, driver or driver licence shall not be available for statistical purposes. 2. Logging information shall keep track of all transactions for monitoring and debugging purposes, and allow the generation of statistics about these transactions. 3. Personal data shall not be retained in the logs for more than 6 months. Statistical information shall be retained indefinitely. 4. The statistical data used for reporting shall include: (a) the requesting Member State; (b) the responding Member State; (c) the type of message; (d) the status code of the response; (e) the date and time of the messages; (f) the response time.