(1) If the operation of this Part would result in an acquisition of property (within the meaning of paragraph 51(xxxi) of the Constitution) from a person otherwise than on just terms (within the meaning of that paragraph), the Commonwealth is liable to pay a reasonable amount of compensation to the person.
(2) If the Commonwealth and the person do not agree on the amount of the compensation, the person may institute proceedings in a court of competent jurisdiction for the recovery from the Commonwealth of such reasonable amount of compensation as the court determines.