1. In order to fully integrate a partial internal model into the Solvency Capital Requirement standard formula, insurance and reinsurance undertakings shall use as a default integration technique the correlation matrices and formulas of the standard formula set out in Annex IV of Directive 2009/138/EC and Title I, Chapter V of this Regulation.
2. Where the insurance or reinsurance undertaking demonstrates to the supervisory authorities that it would not be appropriate to use the default integration technique referred to in paragraph 1 for any of the reasons referred to in paragraph 5, insurance and reinsurance undertakings shall use the most appropriate integration technique set out in Annex XVIII. The insurance or reinsurance undertakings shall demonstrate the appropriateness of the integration technique proposed.
3. Where the insurance or reinsurance undertaking further demonstrates to the supervisory authorities that it would not be appropriate to use any of the integration techniqu
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