The collection of the date and time of the registration confirmation serves as proof of registration (opt-in).</p>4.Duration of storage<p>The data will be deleted as soon as it is not needed to achieve the purposes for which it was collected. The date of the registration confirmation and the email address of the user will be stored for as long as the subscription to the notifications or mailing list is active. Other personal data collected during the registration process will normally be deleted after a period of five weeks.</p>