A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts. Initial Disclosures are due, under the rules, about 50 days after service of the suit.Customer: I have some questions about discovery, level 2, Texas, Travis County Civil Court. You have 30 days to respond to interrogatories, but you may ask the other party for more time. Enter each party within initial filing (including intervenors, cross-defendants, counter-plaintiffs, and third-party plaintiffs). Guidelines, particularly in a case like this, with over 30 parties. Plaintiffs to be more diligent when seeking a waiver of service. The interrogatories are sent directly to the other party and not to the court. That is even more the case when the party preparing the discovery responses is a multi-member coalition. The parties to new civil lawsuits in Texas usually must exchange information within 30 days of the filing of an answer, waiver of service, or counterpetition.