156.24 SIGNS IN THE B-3 DISTRICT.
1.   Exterior signs for individual businesses shall not protrude more than 12 inches from building walls, roofs, or parapets. This restriction shall not in any way impair the use of standardized signs attached to common sidewalk canopies or the use of freestanding directories, with individual signs or signs identifying the entire business district in prominent display places including public parking lots and public rights-of-way.
2.   Freestanding signs for individual businesses located either on private property or on public right-of-way are not permitted.
3.   Wall signs shall not be limited in number; however, the total square footage of the sign face area of the wall signs shall not be greater than 15% of the wall area of each business.
4.   Electronically controlled public service, time, temperature, and date signs, message centers, or reader boards, where different copy changes are shown, are permitted. However, such signs must comply with all requirements of this chapter.
5.   Menu signs are permitted in addition to any other permitted signs within the district. However, such signs shall be located to the rear or to the side of the principal building located on any lot.