Tex. Gov't Code § 2155.001
Except as otherwise provided by this chapter and Chapters 2156, 2157, and 2158:
(2) "Service" means the furnishing of skilled or unskilled labor or professional work, but does not include a:
Added by Acts 1995, 74th Leg., ch. 41, Sec. 1, eff. Sept. 1, 1995.
Amended by Acts 1997, 75th Leg., ch. 1035, Sec. 61, eff. June 19, 1997.