A railroad may exercise the right of eminent domain in acquiring right-of-way as provided by statute, but only upon obtaining authority from the Governor or if directed by the Governor, or the commission, based upon a determination by the Governor or the commission that the railroad's exercise of the right of eminent domain would be for a public use consistent with public necessity. The Governor or the commission shall consider the requirements of §§ 49-16A-75.1 to 49-16A-75.3 , inclusive, when granting or denying an application for authority to use eminent domain. The decision to grant or deny an application shall be made after reasonable notice and opportunity to be heard, pursuant to chapter 1-26 . However, an impartial hearing examiner may be appointed by the Governor or the commission to administer the proceedings or make recommendations. Any parties who are united in interest or representation shall unite in the filing of an affidavit for change of hearing examiner under the provisions of §