1. In the case referred to in Article 2(1), Member States shall require that an adjusted solvency calculation be carried out in accordance with Annex I.
2. Any related undertaking, participating undertaking or related undertaking of a participating undertaking shall be included in the calculation referred to in paragraph 1.
3. If the calculation referred to in paragraph 1 demonstrates that the adjusted solvency is negative, the competent authorities shall take appropriate measures at the level of the insurance undertaking or the reinsurance undertaking in question.