Tex. Bus. Orgs. Code § 22.221
(b) A director is not liable to the corporation, a member, or another person for an action taken or not taken as a director if the director acted in compliance with this section. A person seeking to establish liability of a director must prove that the director did not act:
Acts 2003, 78th Leg., ch. 182, Sec. 1, eff. Jan. 1, 2006.