Tex. Occ. Code § 1302.502
A person is not required to be registered or certified under this subchapter to act or offer to act as an air conditioning and refrigeration technician if the person:
Added by Acts 2017, 85th Leg., R.S., Ch. 880 (H.B. 3029), Sec. 9, eff. September 1, 2017.
Acts 2023, 88th Leg., R.S., Ch. 321 (H.B. 1859), Sec. 3, eff. September 1, 2023.