The anonymous data of the server log files are stored separately from all personal data provided by a data subject.</p> 4. Routine erasure and blocking of personal data <p>The data controller shall process and store the personal data of the data subject only for the period necessary to achieve the purpose of storage, or as far as this is granted by the European legislator or other legislators in laws or regulations to which the controller is subject to.</p> <p>If the storage purpose is not applicable, or if a storage period prescribed by the European legislator or another competent legislator expires, the personal data are routinely blocked or erased in accordance with legal requirements.</p>