Tex. Civ. Prac. & Rem. Code § 11.051 : CIVIL PRACTICE AND REMEDIES CODE — TRIAL, JUDGMENT, AND APPEAL — GENERAL PROVISIONS — VEXATIOUS LITIGANTS — VEXATIOUS LITIGANTS — Motion for Order Determining Plaintiff A Vexatious Litigant and Requesting Security TEXT PDF In a litigation in this state, the defendant may, on or before the 90th day after the date the defendant files the original answer or makes a special appearance, move the court for an order: (1) determining that the plaintiff is a vexatious litigant; and (2) requiring the plaintiff to furnish security. Tex. Civ. Prac. and Rem. Code § 11.051 Added by Acts 1997, 75th Leg., ch. 806, Sec. 1, eff. 9/1/1997.