The Secretary may, in accordance with section 72 , require a person who owes a debt to the Commonwealth under section 84 :
(a) either to:
(i) give to the Department information that is relevant to the person's financial situation; or
(ii) produce to the Department a document that is in the person's custody or under the person's control and is relevant to the person's financial situation; and
(b) if the person's address changes--to inform the Department of the new address within 14 days after the change.