17Q   Evidence of charges and fees

In any proceedings under this Part, the production by the Authority or on its behalf of a certificate purporting to be signed by an appropriate officer certifying the following is admissible in those proceedings and is evidence of the particulars contained in the certificate:

(a)  that the amount specified in the certificate as being the amount of registration charges or administration fees payable in respect of a vehicle is due and unpaid, or was due or paid on a specified date, or was not paid before a specified date,

(b)  that an adjustment of charges or a requirement to pay registration charges or additional registration charges in respect of a vehicle was made in accordance with this Part.