1. A creditor who, after the opening of the proceedings referred to in Article 3(1) obtains by any means, in particular through enforcement, total or partial satisfaction of his claim on the assets belonging to the debtor situated within the territory of another Member State, shall return what he has obtained to the liquidator, subject to Articles 5 and 7.
2. In order to ensure equal treatment of creditors a creditor who has, in the course of insolvency proceedings, obtained a dividend on his claim shall share in distributions made in other proceedings only where creditors of the same ranking or category have, in those other proceedings, obtained an equivalent dividend.