When any person by use of signs, circulars, cards, telephone book, or newspapers, advertises, holds out, or represents that such person is conducting business in the city, or when any person holds an active license or permit issued by a governmental agency indicating that such person is in business in the city and such person fails to deny by a sworn statement given to the collector that he is not conducting a business in the city, after being requested to do so by the collector, then these facts shall be considered prima facie evidence that such person is conducting a business in the city. (Ord. 101 § 7, 1992)