Tex. Civ. Prac. & Rem. Code § 171.021
(a) A court shall order the parties to arbitrate on application of a party showing:
Acts 1983, 68th Leg., p. 4748, ch. 830, eff. Aug. 29, 1983.
Amended by Acts 1985, 69th Leg., ch. 338, Sec. 1, eff. Aug. 26, 1985. Redesignated from Vernon's Ann.Civ.St. art. 238-20, Sec. 1 to 2A and amended by Acts 1995, 74th Leg., ch. 588, Sec. 1, eff. Sept. 1, 1995.
Amended by Acts 1997, 75th Leg., ch. 165, Sec. 5.01, eff. Sept. 1, 1997.