Member States shall provide that, where an insurance or reinsurance undertaking authorised in another Member State carries on business through a branch, the supervisory authorities of the home Member State may, after having informed the supervisory authorities of the host Member State concerned, carry out themselves, or through the intermediary of persons appointed for that purpose, on-site verifications of the information necessary to ensure the financial supervision of the undertaking.
The authorities of the host Member State concerned may participate in those verifications.