All necessary costs incurred by the zoning commission of a special zoning district in connection with official acts performed pursuant to the Special Zoning District Act [ 3-21-15 to 3-21-26 NMSA 1978] shall be borne by the parties in interest. Provided, that the commission may by ordinance impose reasonable fees upon parties in interest and such fees shall be used to defray the costs incurred by the commission.
For purposes of this section, the term "party in interest" means the person who requests a variance or a change in zoning or who requests the amendment or repeal of any regulation, restriction or ordinance adopted pursuant to the Special Zoning District Act.