Section 410.158 - Discovery(a) Except as provided by Section 410.162, discovery is limited to: (1) depositions on written questions to any health care provider;(2) depositions of other witnesses as permitted by the administrative law judge for good cause shown; and(3) interrogatories as prescribed by the commissioner.(b) Discovery under Subsection (a) may not seek information that may readily be derived from documentary evidence described in Section 410.160. Answers to discovery under Subsection (a) need not duplicate information that may readily be derived from documentary evidence described in Section 410.160.Amended by Acts 2017, Texas Acts of the 85th Leg. - Regular Session, ch. 839,Sec. 5, eff. 9/1/2017.Amended By Acts 2005, 79th Leg., Ch. 265, Sec. 3.186, eff. 9/1/2005. Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. 9/1/1993.