(1) The staff necessary to assist the Inspector-General ADF are to be the following:
(a) members of the Defence Force made available for the purpose by the Chief of the Defence Force;
(b) persons engaged under the Public Service Act 1999 and made available for the purpose by the Secretary of the Department.
(2) The Inspector-General ADF may engage persons having suitable qualifications and experience as consultants to, or to perform services for, the Inspector-General ADF.
(3) An engagement under subsection (2) is to be made:
(a) on behalf of the Commonwealth; and
(b) by written agreement.