(1) This section applies in relation to a person if the person voluntarily provides, or makes available, information or documents to the Inspector - General for any of the following purposes:
(a) the Inspector - General conducting an inspection under section 9A;
(b) making a complaint under Division 2 of Part II;
(c) the Inspector - General conducting a preliminary inquiry under section 14, or any other action taken by the Inspector - General for the purpose of deciding whether to inquire into a matter;
(d) the Inspector - General conducting an inquiry under Division 3 of Part II.
Person not liable to penalties or prosecution under other Commonwealth laws
(2) The person is not (subject to subsections (5) and (6)) liable to a penalty or to be prosecuted for an offence under a provision of any other law of the Commonwealth for providing or making available the information or documents.
Use immunity
(3) The information or documents, and the providing or making available of the information or documents, are not (subject to subsection (5)) admissible in evidence against the person in any court or in any proceedings before a person authorised to hear evidence.
Legal professional privilege
(4) The providing or making available of the information or documents does not affect any legal professional privilege that is, or may be, claimed by any person in relation to the information or documents.
Exceptions
(5) Subsections (2) and (3) do not apply in relation to proceedings for an offence against:
(a) section 137.1 or 137.2 (false or misleading information and documents), 145.1 (using forged document) or 149.1 (obstructing Commonwealth officials) of the Criminal Code , to the extent that that offence relates to this Act; or
(b) Division 3 of Part III of the Crimes Act 1914 (offences relating to evidence and witnesses), to the extent that that offence relates to this Act; or
(c) section 6 of the Crimes Act 1914 , or section 11.1, 11.4 or 11.5 of the Criminal Code , in relation to an offence referred to in paragraph (a) or (b) of this subsection.
(6) Subsection (2) does not apply if the provision referred to in that subsection:
(a) is enacted after the commencement of this section; and
(b) is expressed to have effect despite this section.