6. The competent authorities for data intermediation services and the competent authorities for the registration of data altruism organisations of a Member State shall provide the Commission and competent authorities for data intermediation services and the competent authorities for the registration of data altruism organisations from other Member States, on reasoned request and without delay, with the information necessary to carry out their tasks under this Regulation. Where a competent authority for data intermediation services or a competent authority for the registration of data altruism organisations considers the information requested to be confidential in accordance with Union and national law on commercial and professional confidentiality, the Commission and any other competent authorities for data intermediation services or competent authorities for the registration of data altruism organisations concerned shall ensure such confidentiality.