Form Interrogatories are a list of questions on a court form. Proof of Service of Notice of Petition to Administer Estate.A copy of the petition must be served with the initial Notice of Petition to Administer Estate. This HowTo Guide addresses the steps for filing and serving motions in general civil cases in Contra Costa County Superior Court. Professional and experienced legal document preparation service supporting the public needs of Contra Costa, Alameda and Solano Counties. Effective immediately, for Civil, Family, and Probate eFilings, the upcoming hearing date must be included in the filing description box. Effective immediately, for Civil, Family, and Probate eFilings, the upcoming hearing date must be included in the filing description box. Third set of Special Interrogatories and third set of Requests for Production of Documents. This guide contains forms and instructions for propounding Requests for Production on your opponent in a California civil case. Request for Production of Documents, Set Three; and 4.