If any such licensee fails to give such account to such officer or servant demanding the same as aforesaid, or if any such licensee with intent to avoid the payment of any tolls gives a false account, he shall for every such offence forfeit to the promoters, or to their lessees entitled to be paid tolls by such licensee, a sum not exceeding five pounds, and such penalty shall be in addition to any tolls payable in respect of the passengers carried by any such carriage.