Civil Rules, Local Court Rules for the Western District of Texas. 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.A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts. For uncontested divorces, attorneys and selfrepresented litigants must file: 1. "Texas Rule ___" and "Federal Rule ___," respectively. 18. TEX. R. Interrogatories are a helpful tool for discovery. Interrogatories are written questions which focus on any information relevant to the case. A party must produce documents as they are kept in the usual course of business or must organize and label them to correspond to the categories in the request. In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation.