A. Any sign not specifically listed as permitted in this chapter is prohibited unless otherwise provided by law;

B. Any sign which, by reason of its size, location, movement, content, coloring or manner of illumination may be confused with traffic control signs or signals, which determination shall be in the sole discretion of the responsible official;

C. Stationary motor vehicles, trailers and related devices used to circumvent the intent of this chapter;

D. Signs which are attached to utility poles, trees, fences, rocks or natural features and other similar objects which are not designed specifically for the installation of the sign;

E. Roof signs or signs projecting or installed above the eave lines of buildings;

F. All lighted signs which are adjacent to and directed toward a residential district and which detract from the welfare of the residential district;

G. Animated, moving, automatic changing copy, revolving, blinking or flashing signs, except public service signs such as those which only give the time, temperature and humidity, and digital message center signs providing emergency information, community information and information related to events and activities that help fund or otherwise support the designated American Red Cross Emergency Shelter;

H. Any sign or advertising display which obstructs in any way the vision of motorists entering or leaving public or private rights-of-way;

I. Signs extending over the public right-of-way and any sign placed within the right-of-way, with the exception of projecting signs, awning signs, and public benefit signs;

J. Off-premises signs, with the exception of public service signs controlled and installed by the City of Cle Elum and public benefit signs, as allowed in the entry commercial zone pursuant to Section 15.20.150;

K. Signs emitting pollutants such as smoke and sound;

L. Signs displaying unwarranted content (i.e., obscene language); and

M. Signs located within structural setbacks established by the zoning district, unless specifically authorized by this chapter.