Tex. Occ. Code § 601.253
(a) The Texas Board of Nursing shall adopt rules governing registered nurses performing radiologic procedures under Section 601.151 or 601.154, including rules:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2007, 80th Leg., R.S., Ch. 889 (H.B. 2426), Sec. 50, eff. September 1, 2007.
Acts 2015, 84th Leg., R.S., Ch. 838 (S.B. 202), Sec. 2.033, eff. September 1, 2015.