Commonwealth Numbered Acts

AUSTRALIA ACT 1986 No. 142 of 1985 - SECT 2

2. (1) It is hereby declared and enacted that the legislative powers of the
Parliament of each State include full power to make laws for the peace, order
and good government of that State that have extra-territorial operation.

(2) It is hereby further declared and enacted that the legislative powers of
the Parliament of each State include all legislative powers that the
Parliament of the United Kingdom might have exercised before the commencement
of this Act for the peace, order and good government of that State but nothing
in this subsection confers on a State any capacity that the State did not have
immediately before the commencement of this Act to engage in relations with
countries outside Australia.