At the end of section 29 of the Principal Act insert —
"(2) In deciding whether a document is an exempt document under subsection (1), an agency or Minister, if practicable, must—
(a) notify any of the following that are relevant that the agency or Minister has received a request for access to the document—
(i) another agency or Minister;
(ii) an agency of another country or the Commonwealth or another State or a Territory;
(iii) an authority of another country or the Commonwealth or another State or a Territory; and
(b) seek the view of that agency, authority or Minister as to whether the document should be disclosed.".