Sec. 301.551.  INJUNCTION.  (a)  In addition to any other action authorized by law, the board may institute an action in its name to enjoin a violation of this chapter or a board rule.
(b)  To obtain an injunction under this section, it is not necessary to allege or prove that:
(1)  an adequate remedy at law does not exist;  or
(2)  substantial or irreparable damage would result from the continued violation.
(c)  Notwithstanding Subsection (b), in a proceeding for an injunction under Subsection (a), the defendant may assert and prove as a complete defense to the action that the board's actions or proceedings were:
(1)  arbitrary or capricious;
(2)  contrary to legal requirements;  or
(3)  conducted without due process of law.
(d)  Either party to an action under Subsection (a) may appeal.  The board is not required to give an appeal bond in a cause arising under this section.
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.