New South Wales Consolidated Acts(cf Act No 34, 1949, s 16)
In any proceedings under this Act, the production by the Authority or on its
behalf of a certificate purporting to be signed by an authorised officer
certifying:
(a) that the amount specified in the certificate as being the amount of tax payable in respect of a motor vehicle is due and unpaid, or was due or paid on a specified date, or was not paid before a specified date, and
(b) that an adjustment of tax or a requirement to pay tax or additional tax in respect of a motor vehicle was made in accordance with section 11,is admissible in those proceedings and is evidence of the particulars contained in the certificate.