Notwithstanding the general rules of receiverships and trustees, nothing in the Group Homes for Persons with Developmental or Physical Disabilities Act shall be deemed to relieve any administrator or employee of a group home placed in receivership of any civil or criminal liability incurred, or any duty imposed by law, by reason of acts or omissions of the administrator or employee prior to the appointment of a receiver; provided, that nothing contained in this act¹ shall be construed to suspend during the receivership any obligation of the administrator or employee for payment of taxes or other operating and maintenance expenses of the group home or of the administrator, employee or any other person for the payment of mortgages or liens. The provider or licensee shall retain the right to sell or mortgage any group home under receivership, subject to approval of the court which ordered the receivership.