(a) An El Paso family law master may be appointed as a judge of the criminal law magistrate court and continue as a family law master.
(b) A family law master may not be appointed as a judge of the criminal law magistrate court unless the family law master agrees to the appointment.

(c) A family law master appointed to serve as a judge of the criminal law magistrate court is not entitled to receive additional compensation for serving as a judge of that court unless the commissioners court provides additional compensation.