1. Where an institution, financial holding company, mixed financial holding company or a mixed-activity holding company controls one or more subsidiaries which are insurance companies or other undertakings providing investment services which are subject to authorisation, the competent authorities and the authorities entrusted with the public task of supervising insurance undertakings or those other undertakings providing investment services shall cooperate closely. Without prejudice to their respective responsibilities, those authorities shall provide one another with any information likely to simplify their task and to allow supervision of the activity and overall financial situation of the undertakings they supervise.

Where, pursuant to Article 111 of this Directive, the consolidating supervisor of a group with a parent mixed financial holding company is different from the coordinator determined in accordance with Article 10 of Directive 2002/87/EC, the consolidating supervisor and the coordinator shall cooperate for the purpose of applying this Directive and Regulation (EU) No 575/2013 on a consolidated basis. In order to facilitate and establish effective cooperation, the consolidating supervisor and the coordinator shall have written coordination and cooperation arrangements in place.