1. Where a group internal model is used, in accordance with Article 231(1) of Directive 2009/138/EC, the requirements set out in Articles 223 to 227 of this Regulation shall be complied with by the following undertakings:
(a) the participating undertaking which calculates the consolidated group Solvency Capital Requirement on the basis of the group internal model, in relation to the output of the internal model at group level and in case of a participating insurance or reinsurance undertaking additionally in relation to the output of the internal model at the level of that undertaking;
(b) each related insurance and reinsurance undertaking which calculates its Solvency Capital Requirement on the basis of the group internal model, both in relation to the output of the internal model at group level and at the level of the undertaking;
(c) each other related insurance and reinsurance undertaking whose business is fully or partly in the scope of the group internal model, only in relation t
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