The discovery period typically begins when the first initial disclosures are due and continues for 180 days. This article explains "requests for production," which are a tool for gathering evidence in a lawsuit as part of discovery.When issuing without a legal DWQ, you must give the opposing parties and the witness ten (10) days' notice of intent to subpoena production from the non-party. No request for discovery may be served on an opposing party without permission of the court. On notice to other parties and all affected persons, a party may move for an order compelling disclosure or discovery. Texas does not follow the pack when it comes to many things, including outofstate discovery. Effect of signature on discovery request, notice, response, or objection. Obligation to fill out a business records affidavit. III. Inadequate notice of subpoena duces tecum). Privileges.