The Magistrate may commit an accused person for trial under this Division only--
(a) if the charge certificate has been filed under Division 4 and a case conference is not required to be held in the committal proceedings, or
(b) if the charge certificate has been filed under Division 4 and a case conference has not yet been held in the committal proceedings, or
(c) if the case conference certificate for the proceedings has been filed in the committal proceedings.