Sec. 15. If a tract was originally transferred to a political subdivision as a gift by a not-for-profit corporation or organization, the disposing agent may convey it back to the original grantor or the grantor's successors with their consent without consideration upon a determination by the disposing agent that:
(1) the property is surplus; and
(2) the original grantor or the grantor's successors are eligible to receive the tract under section 16 of this chapter.