The number of passengers to be determined under certain restrictions.

4. Before any such license shall be granted for or in respect of any carriage to be used or employed for conveying passengers the carriage in respect of which such license is applied for shall be exhibited to the Superintendent or such officer as the Superintendent may appoint in that behalf at the time and place appointed by him or by such officer for determining on the application for such license and it shall be lawful for the Superintendent upon such examination of such carriage to determine the number of passengers which may be safely and conveniently carried by such carriage both in the inside and outside thereof and in or on what part thereof luggage parcels and packages may be carried and to what extent.