Tex. Bus. Orgs. Code § 21.206
(a) An action brought against a corporation, the board of directors or an officer, shareholder, or agent of the corporation, or an owner of a beneficial interest in shares of the corporation for the violation of a preemptive right of a shareholder under Sections 21.203 and 21.204 must be brought not later than the earlier of:
(2) the fourth anniversary of the latest of:
(b) The notice required by Subsection (a)(1) must:
Acts 2003, 78th Leg., ch. 182, Sec. 1, eff. Jan. 1, 2006.
Acts 2011, 82nd Leg., R.S., Ch. 139 (S.B. 748), Sec. 24, eff. September 1, 2011.