The lawful use of land for advertising, business signs or bulletin boards which are not installed or maintained in accordance with this subchapter and other city, county, state and federal requirements pertaining to construction, location and size which existed prior to the effective date of this chapter, shall be removed within 15 days after the sign becomes obsolete due to construction deterioration or when the advertised business, service or event ceases operation.
(Prior Code, § 11-505)