Discovery is the process of gathering and exchanging evidence for a court case from the other side. Service of Notice of Proceeding -- Three Days.The Instructions for Completing the Orders – currently under the Temporary Ex Parte Order form – apply to all orders, including the MOEP. In general, Texas has very few official legal forms. This Divorce Set Contains instructions and seven forms: an Affidavit of Indigency, an Original Petition for Divorce, a. This article explains subpoenas in Texas including, who or what can be subpoenaed, how to find and file subpoena request forms, and serving subpoenas.