Supplementary provisions on evidence
12.—(1)  In any proceedings where it is desired to admit computer output in evidence in accordance with section 11, a certificate —
(a)identifying the computer output and describing the manner in which it was produced;
(b)giving such particulars of any device involved in the production of that computer output as may be appropriate for the purpose of showing that the output was produced by a computer;
(c)dealing with any of the matters mentioned in section 11(1); and
(d)purporting to be signed by a person occupying a responsible position in relation to the operation of the computer at all relevant times,
shall be admitted in those proceedings as evidence of anything stated in the certificate.
(2)  If the person referred to in subsection (1)(d) who occupies a responsible position in relation to the operation of the computer did not have control or access over any relevant records and facts in relation to the production by the computer of the computer output, a supplementary certificate signed by another person who had such control or access and made in accordance with subsection (1)(a) to (c) shall be evidence of anything stated in the certificate.
(3)  For the purposes of subsections (1) and (2), it shall be sufficient for a matter to be stated to the best of the knowledge and belief of the person stating it.
(4)  Notwithstanding subsection (1) or (2), a court may require oral evidence to be given of anything of which evidence could be given by a certificate under that subsection.
(5)  Any person who in a certificate tendered under subsection (1) or (2) in a court makes a statement which he knows to be false or does not believe to be true shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000 or to imprisonment for a term not exceeding 2 years or to both.
(6)  In estimating the weight, if any, of any admissible computer output, regard shall be had to all the circumstances from which any inference can reasonably be drawn as to the accuracy or otherwise of the output and, in particular —
(a)to the question whether or not the information which the output reproduces or is derived from was supplied to the relevant computer, or recorded for the purpose of being supplied to it, contemporaneously with the occurrence or existence of the facts dealt with in that information; and
(b)to the question whether or not any person concerned with the supply of information to that computer, or with the operation of that computer or any equipment by means of which the admissible computer output was produced by it, had any incentive to conceal or misrepresent the facts.
(7)  For the purposes of subsection (6), information shall be taken to be supplied to a computer whether it is supplied directly or (with or without human intervention) by means of any appropriate equipment.