An ordinance shall be passed authorizing the mayor of a municipal corporation to deed or lease land as provided by section 721.12 of the Revised Code. In the ordinance the legislative authority of such municipal corporation shall fix by metes and bounds the amount of land to be sold, leased, or exchanged, the quantity of interest to be sold, leased, or exchanged, and the consideration to be paid or exchanged therefor by the railroad, and in the ordinance shall call thereon a special election, to be held upon a day fixed by such ordinance, not less than thirty days from the passage thereof.
R.C. §721.13