1. Supplementary supervision shall be exercised by the competent authorities of the Member State in which the insurance undertaking or the reinsurance undertaking has received official authorisation under Article 6 of Directive 73/239/EEC or Article 4 of Directive 2002/83/EC or Article 3 of Directive 2005/68/EC.
2.Where insurance undertakings or reinsurance undertakings authorised in two or more Member States have as their parent undertaking the same insurance holding company, non-member-country insurance undertaking, non-member-country reinsurance undertaking, mixed financial holding company or mixed-activity insurance holding company, the competent authorities of the Member States concerned may reach an agreement as to which of them is to be responsible for exercising supplementary supervision.
3. Where a Member State has more than one competent authority for the prudential supervision of insurance undertakings and reinsurance undertakings, such Member State shall take the requi