((a)) On request of a party in interest, and after notice and a hearing, the court shall order that the debtor shall not be a debtor in possession for cause, including fraud, dishonesty, incompetence, or gross mismanagement of the affairs of the debtor, either before or after the commencement of the case.
((b)) On request of a party in interest, and after notice and a hearing, the court may reinstate the debtor in possession.