It is unlawful for any person to go upon the premises of another for the purpose of soliciting orders, selling or peddling without the consent or invitation of the owner or occupant. Hawkers, peddlers, pawnbrokers, itinerant merchants, transient vendors of merchandise, theatrical and other exhibitions, shows and amusements shall not be operated within the city without having obtained permission from the mayor, and having paid such license fee, tax or permit fee as may be required by the city council. (Prior code § 27-2-6)