(1)If a determination, notice, order, direction, or document (the notice) is required or authorised to be given to a person whose place of business, postal address or address is unknown to the commissioner or chief executive, the notice may be, and is taken to be, given by publishing it twice in a newspaper with an interval of at least 1 week between the dates of publication.
(2)A declaration purporting to be made by the commissioner or chief executive that the place of business, postal address or address of a person is unknown is evidence of the matter.
(3)The publication of a determination, notice, order, direction, or document may be proved by the production of a copy of the gazette or newspaper containing it.
