1. Subject to Article 21a, Member States shall adopt any measures necessary to include financial holding companies and mixed financial holding companies in consolidated supervision.
2. Where a subsidiary that is an institution is not included in super vision on a consolidated basis under one of the cases provided for in Article 19 of Regulation (EU) No 575/2013, the competent authorities of the Member State in which that subsidiary is situated may ask the parent undertaking for information which may facilitate their super vision of that subsidiary.
3. Member States shall enable their competent authorities responsible for exercising supervision on a consolidated basis to ask the subsidiaries of an institution, a financial holding company or mixed financial holding company, which are not included within the scope of super vision on a consolidated basis for the information referred to in Article 122. In such a case, the procedures for transmitting and checking the information set out in that Article shall apply.