Within fifteen days after the making of an order or the passing of a resolution as provided in section 24-05-10, the special board therein specified shall fix a time and place not later than thirty days from and after the passage of said order or resolution for hearing all persons or parties interested or aggrieved by such taking, and it shall cause notice of said hearing to be served upon all parties interested either by registered or certified mail or by publication thereof, once each week for two successive weeks prior to the date of hearing, stating the time and place where the hearing must be held, together with a description of the property to be appraised. Such published notice must be in lieu of all other notices, and if notice is given by registered or certified mail, the same must be served not less than ten days prior to the date of hearing. Personal service by copy of said notice may be made in lieu of publication or service by mail when made at least ten days prior to the date of hearing, such personal service to be made as a summons in district court is served. At the time and place fixed for said hearing, the special board so organized shall proceed to fix the damages to be paid by the county and any person interested may be heard.