Interrogatories are a helpful tool for discovery. Interrogatories are written questions which focus on any information relevant to the case.You need to file a Request for Additional Time to answer the Interrogatories due to their length and depth. For uncontested divorces, attorneys and selfrepresented litigants must file: 1. (a) Civil Cover Sheet. When making interrogatories, you must create written questions, label them as "interrogatories," and demand the other party answer them in a letter. The responding party generally has 30 days to answer interrogatories from the date of service. Interrogatories – Formal questions to the other party must be answered under oath (25 maximum unless modified). Telephone . The term is also used if there is more than one defendant in the same lawsuit.