SDCL § 21-35-9: Summons to defendants--Contents.

At any time after the filing of the petition the plaintiff may issue a summons to the defendants, which shall be entitled in the action or proceeding, and state the time and place of filing the petition, the nature of the proceeding, and contain a notice to the effect that if the defendants do not appear in said proceeding within thirty days from the service thereof, exclusive of the day of service, the plaintiff will apply to the court for an order to impanel a jury and ascertain the just compensation for the property proposed to be taken or damaged in such proceeding.

The summons may be served as in civil actions unless otherwise provided in this chapter.