Iowa Directions For Service of Original Notice is a set of instructions used to serve a summons and complaint to a defendant in a legal action. These instructions are issued by the Iowa court system when a complaint is filed. The main types of Iowa Directions For Service of Original Notice are: 1. Personal Service: Personal service involves a process server delivering the summons and complaint to the defendant in person. 2. Substitute Service: Substitute service involves a process server delivering the summons and complaint to someone of suitable age and discretion at the defendant's residence, and mailing a copy to the defendant at their address. 3. Publication Service: Publication service involves the summons and complaint being published in a newspaper of general circulation in the county where the action is pending. 4. Service by Mail: Service by mail involves the summons and complaint being mailed to the defendant's address.