(a) If after indictment, the defendant or the state files a timely objection to the assignment of a first-degree felony to the criminal law magistrate court, the judge is disqualified to hear the case.
(b) If after indictment the defendant or the state files a timely objection to a particular judge on the criminal law magistrate court hearing a first-degree felony assigned to that court, that judge is disqualified to hear the case.
(c) An objection under this section must be filed before the first hearing or trial, including pretrial hearings, in which the assigned judge is to preside.