Sec. 602.202. EXEMPTIONS FROM LICENSE REQUIREMENT. This chapter does not apply to: (1) a practitioner engaged in the performance of radiological procedures; (2) a person certified as a medical radiological technologist practicing under Chapter 601; (3) a person who performs radiological procedures under a practitioner's instruction or supervision; (4) a person performing beam calibration and characterization, quality assurance, instrument specification, acceptance testing, shielding design, or protection analysis on radiation-emitting equipment or radiopharmaceuticals for procedures not involved with the diagnosis or treatment of a disease or another human medical or dental condition; or (5) a person who is: (A) employed by a state or federal regulatory agency; and (B) performing duties in the scope of the person's employment. Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.