During the waiting period required by § 1-19B-27, or at any time prior thereto following notice of designation to the owner as provided in § 1-19B-24 and where such action is reasonably necessary or appropriate for the continued preservation of the property, the Historic Preservation Commission may enter into negotiations with the owner for the acquisition by gift, purchase, exchange, or otherwise of the property or any interest therein.
SDCL 1-19B-28