(a) If a person refuses to comply with a subpoena issued in connection with a hearing under this subchapter or refuses to testify with respect to a matter about which the person may be lawfully interrogated, on application of the department, a district court in Travis County or in the county in which the person resides may order the person to comply with the subpoena or testify.
(b) A court may punish as contempt a person's failure to obey an order under this section.