155.14   EXEMPTIONS FROM PERMITS.
The following signs or activities shall not require a permit; however, all such signs shall be subject to all other sign regulations:
   1.   Nonelectrical real estate signs, one per street footage, not exceeding 12 square feet in cumulative area in residential zones or 64 square feet in cumulative area in all other zones, which advertise the sale, rental, or lease of the premises upon which said signs are located only.
   2.   Nonelectrical signs, including bulletin boards, which are not over 16 square feet in area for public, educational, charitable, fraternal or religious institutions when the same are located on the premises of such institutions.
   3.   Nonelectrical signs denoting only the name and/or profession/business of an occupant in a commercial building, public institutional building, or dwelling house and not exceeding 2 square feet in area.
   4.   Nonelectrical single construction signs denoting the architect, engineer or contractor when placed upon work under construction, one sign per street frontage, and not exceeding 32 square feet in area in residential zones or 64 square feet in all other zones. Such signs may be erected five days prior to the beginning of construction and shall be removed five days following the completion of construction.
   5.   Nonelectrical memorial signs or tablets, names of buildings, and date of erection when cut into any masonry surface or when constructed of bronze or other noncombustible materials.
   6.   Publicly owned street name signs, traffic control signs, legal notices, railroad crossing signs, danger and temporary warning or emergency signs.
   7.   Emblems, names, logos, and symbols on motor vehicles and equipment being used for purposes other than the display of signs or advertising devices.
   8.   Nonelectrical public service signs which give only directions for flow of motor vehicle or pedestrian traffic or signs which provide only information about directing people to ancillary facilities such as parking, entrance, loading, etc.
   9.   Nonelectrical temporary signs supporting a candidacy for office or urging action on any other matter on the ballot of a primary, general or special election, or City election. No political sign shall be placed at any location where it may because of its size, location, content or coloring constitute a traffic hazard or a detriment to public safety by obstructing the vision of drivers, detracting from the visibility of any traffic control device or by being confused with an authorized traffic control device. All such signs shall be removed within seven days after the election to which the sign relates.
   10.   Nonelectrical temporary or portable signs.
   11.   Changing of advertising copy or message on an approved painted and/or painted sign or on a marquee or similar approved sign which is specifically designed for the use of replaceable copy.
   12.   Painting, repainting, or cleaning not involving structural changes when performed in conjunction with normal maintenance and repair of a sign.
   13.   Holiday decorating.