49(6)The Board may, under the signature of the proper officer, issue a certificate setting out the name of a brand owner who has not paid fees, interest or penalties in accordance with a written notice and certifying the total amounts of the fees, interest or penalties remaining unpaid and the certificate, without proof of the appointment, authority or signature of the person purporting to have signed it, is admissible in evidence and is, in the absence of evidence to the contrary, proof of the amount of the fees, interest and penalties remaining unpaid.