(1) An amount payable by a person to the Commonwealth under an * unexplained wealth order is a civil debt due by the person to the Commonwealth.
(2) An * unexplained wealth order against a person may be enforced as if it were an order made in civil proceedings instituted by the Commonwealth against the person to recover a debt due by the person to the Commonwealth.
(3) The debt arising from the order is taken to be a judgment debt.
(4) If an * unexplained wealth order is made against a person after the person's death, this section has effect as if the person had died on the day after the order was made.