(1) Actions affecting the property forming part of the insolvency estate and pending for the debtor as plaintiff on the date when the insolvency proceedings are opened may be joined by the insolvency administrator with their existing status. If such joinder is delayed, section 239 (2) to (4) of the Code of Civil Procedure applies accordingly.
(2) If the administrator refuses such joinder, the debtor and the defendant may continue the action.