Tex. Gov't Code § 54.808
A judge may refer to a master any civil case or portion of a civil case brought:
Added by Acts 1989, 71st Leg., ch. 2, Sec. 8.33(a), eff. Aug. 28, 1989.
Amended by Acts 1997, 75th Leg., ch. 165, Sec. 7.35, eff. Sept. 1, 1997.