After a hearing, the commission may deny a certificate of registration and may impose an administrative sanction or penalty and seek injunctive relief and a civil penalty against a registrant as provided by Chapter 51 for:
(1) a violation of this chapter or a rule applicable to the registrant adopted by the commission under this chapter;
(2) gross incompetency in the performance of property tax consulting services;
(3) dishonesty or fraud committed while performing property tax consulting services; or
(4) a violation of the standards of ethics adopted by the commission.