11. The competent authority for data intermediation services may charge fees for the notification in accordance with national law. Such fees shall be proportionate and objective and be based on the administrative costs related to the monitoring of compliance and other market control activities of the competent authority for data intermediation services in relation to notifications of data intermediation services providers. In the case of SMEs and start-ups, the competent authority for data intermediation services may charge a discounted fee or waive the fee.