(a) In any action under the provisions of Article 2 or Article 3 of this Chapter, the court in its discretion may award to the owner a sum to reimburse the owner for charges he has paid for appraisers, engineers and plats, provided such appraisers or engineers testify as witnesses, and such plats are received into evidence as exhibits by order of the court.(b) If a condemnor institutes a proceeding to acquire by condemnation any property and (i) if the final judgment in a resulting action is that the condemnor is not authorized to condemn the property, or (ii) if the condemnor abandons the action, the court with jurisdiction over the action shall after making appropriate findings of fact award each owner of the property sought to be condemned a sum that, in the opinion of the court based upon its findings of fact, will reimburse the owner for: his reasonable costs; disbursements; expenses (including reasonable attorney, appraisal, and engineering fees); and, any loss suffered by the owner because he was unable to transfer title to the property from the date of the filing of the complaint under G.S. 40A-41.(c) If an action is brought against a condemnor under the provisions of G.S. 40A-20 or 40A-51 seeking compensation for the taking of any interest in property by the condemnor and judgment is for the owner the court shall award to the owner as a part of the judgment after appropriate finding of fact a sum that, in the opinion of the court based upon its finding of fact, will reimburse the owner as set out in subsection (b).