(1) If an insolvency creditor, by execution, by a payment on the part of the debtor or in another manner, gains something at the expense of the insolvency estate from the assets which are not situated in the state in which proceedings were opened, then the creditor is to return what has been obtained to the insolvency administrator. The provisions on the legal consequences of unjustified enrichment apply accordingly.
(2) The insolvency creditor may retain what was obtained in insolvency proceedings which have been opened in another state. However, the insolvency creditor is not be accommodated in the distributions until the other creditors have the same rank.
(3) At the request of the insolvency administrator, the insolvency creditor is required to provide information on what was obtained.