519.42. Every carrier who, notwithstanding proper notification pursuant to section 519.9, permits a motor vehicle to be operated by a driver to whom the said section applies is guilty of an offence and is liable, in addition to costs, to a fine of $300 to $600 if the driver of the vehicle is liable to a fine under section 143, or to a fine of $600 to $2 000 if the driver of the vehicle is liable to a fine under section 144.