Learn more about interrogatories, what to do if you are the responding party, what you can object to, and how much time you have to answer. Interrogatories are a helpful tool for discovery.Interrogatories are written questions which focus on any information relevant to the case. Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. For uncontested divorces, attorneys and selfrepresented litigants must file: 1. Civil Rules, Local Court Rules for the Western District of Texas. When a Party May Serve Interrogatories. A party may propound interrogatories at any point up to thirty (30) days before the end of the discovery period. Tex. R. Use this online tool from Lone Star Legal Aid to file an answer in a debt collection lawsuit in Justice court. You must answer interrogatories within 30 days from service.