13. Except in the case of a peddler or of a person in charge of an automatic distributor, every person holding a license shall cause his license to be displayed, in a prominent and visible manner, in the principal room of the establishment where the rights conferred by the license are exercised.
In the case of a peddler, if the license be taken for a vehicle, the plate issued therefor must be displayed on the vehicle.
In the case of a person holding a license for an automatic distributor, the plate issued therefor must be displayed on the automatic distributor.
Upon failure to display such license, or plate, as the case may be, in the manner above indicated, for and during the whole of the period for which the license is granted, such person shall be deemed to have no license, and shall be punishable accordingly.
R. S. 1964, c. 79, s. 10.