On request of a party in interest at any time before 180 days after the date of the entry of the order of confirmation, and after notice and a hearing, the court may revoke such order if and only if such order was procured by fraud. An order under this section revoking an order of confirmation shall—

(1) contain such provisions as are necessary to protect any entity acquiring rights in good faith reliance on the order of confirmation; and

(2) revoke the discharge of the debtor.