Sec. 351.261.  DISPLAY OF LICENSE OR CERTIFICATE.  A person practicing optometry or therapeutic optometry in this state shall:
(1)  display the person's license or certificate in a conspicuous place in the principal office in which the person practices optometry or therapeutic optometry;  and
(2)  whenever required, exhibit the license or certificate to the board or the board's authorized representative.
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.