In addition to the exceptions provided by Section 2166.003, this chapter does not apply to:

1. (1) a project constructed by or under the supervision of a public authority created by the laws of this state; or
2. (2) a state-aided local government project.

Added by Acts 1995, 74th Leg., ch. 41, Sec. 1, eff. Sept. 1, 1995.