In every case in which the proprietor of any such hackney carriage permits or employs any licensed person to act as the driver thereof, such proprietor shall cause to be delivered to him, and shall retain in possession, the licence of such driver, while such driver remains in his employ; and in all cases of complaint, where the proprietor of a hackney carriage is summoned to attend before a justice, or to produce the driver, the proprietor so summoned shall also produce the licence of such driver, if he be then in his employ; and if any driver complained of be adjudged guilty of the offence alleged against him, such justice shall make an endorsement upon the licence of such driver, stating the nature of the offence and the amount of the penalty inflicted; and if any such proprietor neglect to have delivered to him and to retain in his possession the licence of any driver while such driver remains in his employ, or if he refuse or neglect to produce such licence as aforesaid, such proprietor shall for every such offence be liable to a penalty not exceeding F1level 1 on the standard scale.