The writ shall be served by a sheriff or deputy sheriff, unless the defendant accepts service of the writ. If the writ is issued to a magistrate, service shall be on the magistrate or clerk of that court; if issued to a board or other tribunal, it shall be served on its secretary, clerk, or any member. Service shall be by delivery of the original writ. A copy, with return of service, shall be returned to the clerk of the court issuing the writ.
Iowa. R. Civ. P. 1.1407