Penalty for carrying a greater number of passengers than authorised by license.

12. If the number of passengers at any one time conveyed in upon or about any carriage licensed to carry passengers shall be greater in the whole than the number of passengers which the license granted in respect of such carriage shall authorise or allow to be conveyed thereby or if the number of passengers at any one conveyed in the inside of such carriage or upon or about the outside thereof shall be greater respectively than the greatest number of inside or outside passengers respectively specified in or upon such license and allowed thereby the person or persons to whom such license shall have been granted shall forfeit any sum not exceeding five pounds for every passenger so conveyed above the number allowed by such license to be conveyed in the whole or in the inside or on or about the outside of such carriage respectively and the driver of such carriage at the time when such offence shall be committed shall also forfeit a sum not exceeding five pounds.