Copy of order as evidence
51A copy of an order purporting to be made by a medical officer of health, a public health inspector or a public safety inspector is, without proof of the office or signature of the medical officer of health, public health inspector or public safety inspector, as the case may be, receivable in evidence as proof, in the absence of evidence to the contrary, of the making of the order and of its contents for all purposes in any action, proceeding or prosecution.