In section 27 of the London Hackney Carriages Act 1843 (no person to act as driver of carriage without consent of proprietor) for the words after " constable " there shall be substituted the words " if necessary, to take charge of the carriage and every horse in charge of any person unlawfully acting as a driver and to deposit the same in some place of safe custody until the same can be applied for by the proprietor. " .