This post on Interrogatories is the third part of a sevenpart series on forms of discovery in Texas. The topics are listed below:.Sec. 1. Instructions to All Parties. In general, Texas has very few official legal forms. When you visit our office, a member of our staff will sit down with you to review the interrogatories and to begin to prepare your answers in final form. How to fill out the Form Interrogatories for Employment Law Cases? Form Interrogatories-Employment Law Form. This is a California form and can be use in Discovery Judicial Council. This article offers information about the rules governing discovery in Texas. Generally, responses to written interrogatories must be in writing, whether handwritten or typed.