Texas Occupations Code - OCC § 151.052. Exemptions

(1) a dentist, licensed under the laws of this state, engaged strictly in the practice of dentistry;

(2) a licensed optometrist or therapeutic optometrist engaged strictly in the practice of optometry or therapeutic optometry as defined by law;

(3) a licensed chiropractor engaged strictly in the practice of chiropractic as defined by law;

(4) a registered nurse or licensed vocational nurse engaged strictly in the practice of nursing in accordance with the applicable licensing acts and other laws of this state;

(5) a licensed podiatrist engaged strictly in the practice of podiatry as defined by law;

(6) a licensed or certified psychologist engaged strictly in the practice of psychology as defined by law;

(7) a licensed physical therapist engaged strictly in the practice of physical therapy in accordance with the law relating to physical therapy practice;

(8) a commissioned or contract surgeon in the United States uniformed services or Public Health Service in the performance of that person's duties if the person is not engaged in private practice;

(9) a person who furnishes medical assistance in an emergency or disaster situation if no charge is made for the medical assistance;

(10) a student in training in a board-approved medical school while performing, under the supervision of a licensed practitioner, the duties assigned in the course of training;

(11) a legally qualified physician of another state who is in this state for consultation with a physician licensed in this state but who does not:

(12) any other activity that the board designates as exempt from the application of this subtitle.