1. Where an undertaking included in a consolidation manages another undertaking jointly with one or more undertakings not included in that consolidation, a Member State may require or permit the inclusion of that other undertaking in the consolidated accounts in proportion to the rights in its capital held by the undertaking included in the consolidation.
2. Articles 13 to 31 shall apply mutatis mutandis to the proportional consolidation referred to in paragraph 1 above.
3. Where this Article is applied, Article 33 shall not apply if the undertaking proportionally consolidated is an associated undertaking as defined in Article 33.