Tex. Occ. Code § 153.001 : OCCUPATIONS CODE — HEALTH PROFESSIONS — PHYSICIANS — POWERS AND DUTIES — GENERAL POWERS AND DUTIES OF BOARD — Adoption of Rules TEXT PDF The board may adopt rules and bylaws as necessary to: (1) govern its own proceedings; (2) perform its duties; (3) regulate the practice of medicine in this state; and (4) enforce this subtitle. Tex. Occ. Code § 153.001 Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. 9/1/1999.