Sec. 1301.054. IRRIGATORS AND WATER WELL PUMP INSTALLERS. A person is not required to be licensed under this chapter to perform plumbing if the person holds a: (1) certificate of registration as an irrigator issued under Chapter 1903; or (2) license as a water well pump installer issued under Chapter 1902. Added by Acts 2001, 77th Leg., ch. 1421, Sec. 3, eff. June 1, 2003.