Gaming Machine Act 1991

it is not necessary to prove the appointment of the Minister, the commissioner, the chief executive, any police officer, any inspector or any departmental officer; and

a signature purporting to be that of any person in any capacity referred to in paragraph (a) is taken to be the signature it purports to be until the contrary is proved; and

a document or writing purporting to be a copy of any document referred to in section 360(1) or of any licence granted or issued under this Act is evidence of the document of which it purports to be a copy; and

a certificate purporting to be signed by the commissioner stating that at a stated time, or during a stated period, a licence, approval, authorisation or exemption was, or was not, in force under this Act is evidence of the matter stated.