The public utility may assign or otherwise transfer any rights to cross railroad right-of-way to any financially responsible entity controlled by, controlling, or under common control with the public utility or to any entity into or with which the public utility is merged or consolidated or which acquires ownership or control of all or substantially all of the transmission assets of the public utility. Notice of the assignment or transfer shall be given to the railroad within 30 days. No other transfer or assignment may take place without the written permission of the railroad, which permission shall not be unreasonably withheld.
Iowa Admin. Code r. 199-42.11