(a) The appointment of a receiver under this subchapter does not relieve the single-source continuum contractor under receivership or any employee or agent of the contractor of:
(1) civil or criminal liability arising out of an act or omission that occurred before the appointment of the receiver;
(2) an obligation for the payment of taxes, operational or maintenance expenses, mortgages, leases, contractual obligations, or liens; or
(3) a duty imposed by law.
(b) A single-source continuum contractor under receivership may sell or lease a facility under receivership, subject to the approval of the appointing court.