In most civil law suits, a person has 21 days in which to answer the complaint or petition. You complete a Certificate of Service or Proof of Service form that describes how and when you served the papers.Sign the return with your name, agency and title and include the date. The following information is intended to provide guidance on how to successfully file a new civil or miscellaneous case in the District of Utah. The person who serves the complaint and summons must complete a Proof of Service document sometimes referred to as an Affidavit of Service. Service of a general summons is completed upon the last required date of publication. To complete the Juror Questionnaire, click on this link. If we determine you are qualified for jury service, a Summons for Jury Service will be emailed. Affidavit of Service After Commencement of Litigation against. Instructions: Use this document to show the date, place, and manner in which documents were served under Rule of.