Tex. Occ. Code § 1001.058
(a) A regular full-time employee of a privately owned public utility or cooperative utility or of the utility's affiliate is exempt from the licensing requirements of this chapter if the employee:
(2) does not have the final authority to approve, or the ultimate responsibility for, engineering designs, plans, or specifications that are to be:
Added by Acts 2001, 77th Leg., ch. 1421, Sec. 1, eff. June 1, 2003.
Amended by Acts 2003, 78th Leg., ch. 1168, Sec. 4, eff. Sept. 1, 2003.