Where the Attorney - General makes an order under this Act that is directed to a particular person, the Attorney - General shall:
(a) except in a case to which paragraph ( b) applies, cause to be sent to the person by registered post addressed to the person:
(i) in the case of a natural person--at his or her last known address in Australia ; or
(ii) in the case of a body corporate--at the registered office of the body corporate, or the principal place of business of the body corporate, in Australia;
a copy of the order ; or
(b) if the person, being a natural person, does not have an address in Australia, or being a body corporate, does not have a registered office or principal place of business in Australia, cause such steps to be taken as are, in the opinion of the Attorney - General, reasonable and practicable, to bring to the attention of the person the content of the order .