1. For the purposes of this Section, "group internal model" shall mean an internal model used to calculate the consolidated group Solvency Capital Requirement as well as the Solvency Capital Requirement of an insurance or reinsurance undertaking in the group, as referred to in Article 231(1) of Directive 2009/138/EC.
2. An application to use a group internal model shall be provided in writing in an official language of the group supervisor's Member State, or in a language for which the group supervisor has given prior approval.
3. For the purposes of this Section, the group supervisor and the supervisory authorities of all the Member States in which the head offices of each related insurance and reinsurance undertakings applying for the use of the group internal model to calculate their Solvency Capital Requirement are situated shall be referred to as 'the supervisory authorities concerned'.
4. The group supervisor shall inform the college of supervisors of the receipt of the applicati
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