Iowa Code § 62.19: How enforced.

When either the contestant or incumbent shall be in possession of the office, by holding over or otherwise, the presiding judge shall, if the judgment be against the party so in possession of the office and in favor of the party’s antagonist, issue an order to carry into effect the judgment of the court, which order shall be under the seal of the county, and shall command the sheriff of the county to put the successful party into possession of the office without delay, and to deliver to the successful party all books and papers belonging to the same; and the sheriff shall execute such order as other writs.