Tex. Business Organizations Code § 22.155: SPECIAL MEETINGS OF MEMBERS.

A special meeting of the members of a corporation may be called by:

(1) the president;

(2) the board of directors;

(3) members having not less than one-tenth of the votes entitled to be cast at the meeting; or

(4) other officers or persons as provided by the certificate of formation or bylaws of the corporation.

Acts 2003, 78th Leg., ch. 182, Sec. 1, eff. Jan. 1, 2006.