"Serving papers" means delivering a copy of the papers you file with the court to the other parties in your case. Whenever any legal papers are served, the person serving the papers must fill out a written form that says how the papers were served.Read Rule 5 - Service and Filing of Pleadings and Other documents, Utah R. Civ. Serving the Affidavit and Summons. Serving papers - also called service of process - means delivering a copy of the papers to the other parties in the. You are the Plaintiff in this case and the person you are suing is the Defendant. Do not sign unless you are before a notary or a court clerk. 2. The individual serving the spouse will need to complete an Affidavit of Service. And obtain alternative service under Utah Rule of Civil Procedure 4.