This packet provides general guidance about asking written questions to another party in the case. Form Interrogatories are a list of questions on a court form.Copies – Once the documents are complete, make one copy for each party in the case. 2. If you ever need a document filled out or one notarized, call Cory at Trusted Documents and she handle all the rest! It helps if you fill in the top part of the form with the case and court information. You have 30 days from date of service plus the number of days depending on method of service. See proof of service at the end of the interrogatories. Submit the legal documents you want served and basic service information. I am employed in the County of San Mateo, State of California. I am employed in the County of San Mateo, State of California.