9. In any proceedings, a certificate is evidence of the facts which it states if it—
(a)purports to be signed by or on behalf of the person responsible for the financial affairs of the district council on whose behalf the authorised officer who gave a fixed penalty notice was acting; and
(b)states that payment of the fixed penalty in pursuance of the notice was or was not received by the expiry of the period within which that fixed penalty may be paid.