Specific places and areas
(1) Subsection (2) applies if an authorised person proposes to enter, or carry on an investigation, at any of the following:
(b) a place that is a prohibited area for the purposes of the Defence (Special Undertakings) Act 1952 because of section 7 of that Act;
(c) an area of land or water or an area of land and water that is declared under section 14 of the Defence (Special Undertakings) Act 1952 to be a restricted area for the purposes of that Act.
(2) If this subsection applies, the authorised person must not enter, or carry on an investigation, unless:
(a) the Minister administering that Act, or another Minister acting for and on behalf of the Minister, has, in writing, approved the entry or carrying on of the investigation; and
(b) the authorised person complies with any conditions specified in the approval.
Places in respect of which Attorney - General makes declaration
(3) The Attorney - General may, by notice in writing to the Information Commissioner, declare a place to be a prohibited place if the Attorney - General is satisfied that the carrying on of an investigation at the place might prejudice the security or defence of the Commonwealth.
(4) If a declaration under subsection (3) is in force, an authorised person must not enter, or carry on an investigation at, the prohibited place unless:
(a) a Minister specified in the declaration, or another Minister acting for and on behalf of the Minister, has, in writing, approved the entry or carrying on of the investigation; and
(b) the authorised person complies with any conditions specified in the approval.