For the construction, alteration or location of any sign, other than a temporary sign, a sign permit is required to be obtained according to the provisions of §§ 155.215 through 155.218; such permit shall continue to be valid indefinitely, until or unless the Commission determines that the condition of the sign has changed so substantially as to constitute a violation of the provisions of this chapter related to signs.
(Ord. 1999-03, passed 3- -1999; Ord. 2013-04, passed 2-4-2013)