1. The liquidator may request that the judgment opening the proceedings referred to in Article 3(1) be registered in the land register, the trade register and any other public register kept in the other Member States.
2. However, any Member State may require mandatory registration. In such cases, the liquidator or any authority empowered to that effect in the Member State where the proceedings referred to in Article 3(1) have been opened shall take all necessary measures to ensure such registration.