Tex. Occ. Code § 168.051
The board shall adopt rules necessary to implement this chapter, including rules to address, for a pain management clinic:
(6) patient billing procedures.
Redesignated from Occupations Code, Chapter 167 by Acts 2011, 82nd Leg., R.S., Ch. 91 (S.B. 1303), Sec. 27.001(45), eff. September 1, 2011.