Interrogatories are a helpful tool for discovery. Interrogatories are written questions which focus on any information relevant to the case.Sec. 1. Instructions to All Parties. Generally, responses to written interrogatories must be in writing, whether handwritten or typed. In general, Texas has very few official legal forms. You need to answer each interrogatory as numbered. State the number and then state your response. Form Interrogatories-Employment Law Form. This is a California form and can be use in Discovery Judicial Council. Editor's Note: This form provides sample general interrogatories in employment cases under the Federal Rules.