In addition to the members of the staff referred to in subsection 47(1) and persons engaged under subsection 48(1), the ACC shall be assisted in the performance of its functions by:
(a) members of the Australian Federal Police whose services are made available to the ACC;
(b) officers and employees of authorities of the Commonwealth whose services are made available to the ACC; and
(c) persons whose services are made available to the ACC pursuant to arrangements made under section 58.