(1)  The prescribed authority may, in writing, appoint a suitably qualified person to investigate the affairs or specified affairs of a law practice.

(2)  The appointment may be made generally or for the law practice specified in the instrument of appointment.

(3)  An investigator may, with the approval of the prescribed authority, appoint an assistant.

(4)  The prescribed authority must advise the Board of an appointment of an investigator under this Division and the reasons for the appointment.