(1) Subject to subsection (2), the Governor - General may, by Proclamation, declare a site or monument specified in the Proclamation to be an historic site or an historic monument.
(2) A site or a monument may not be declared to be an historic site or an historic monument unless the Antarctic Treaty Consultative Parties have approved the listing of the site or monument as an historic site or an historic monument under Article 8 of Annex V to the Madrid Protocol.
(3) The Governor - General may, by Proclamation, vary or revoke a Proclamation made under subsection (1) in respect of a site or monument if the Antarctic Treaty Consultative Parties have amended or revoked the listing of the site or monument as an historic site or historic monument.