It shall be unlawful for any person to operate any vehicle on any street within the city for the primary purpose of displaying advertising or advertising by means of a public address system or recording, except as may be authorized by a permit from the city secretary.
(1988 Code, ch. 7, sec. 1.04; Ordinance adopted 1/9/56, sec. 87; 2010 Code, sec. 26-2)