The following signs are exempt from the permit requirements of this chapter:
(A) Temporary political signs concerning candidates for public office and ballot issues and not exceeding 12 square feet in area. The signs shall be removed no later than 7 days after the election or referendum.
(B) Temporary signs advertising the date, time and location of a garage or yard sale and not exceeding 4 square feet in area. The signs shall be posted no more than 3 days prior to and removed 1 day after the sale.
(C) Signs attached to the inside of a window and not exceeding 4 square feet in area which do not exceed 25% of the area of the window pane.
(D) Signs which are an integral part of the historic character of a landmark building or historic district.
(E) Public signs regulating vehicular or pedestrian traffic or designating or giving direction to streets, schools, hospitals, historical site or public facilities.
(F) Flags of any government or governmental agency or any patriotic, religious, charitable, civic, educational or fraternal organization not exceeding 40 square feet in area.
(G) Special decorative displays, used for holidays, public demonstrations, or promotion of civic welfare or charitable purposes, when authorized by the City Council on which there is no commercial advertising, provided the city is held harmless for any damage resulting therefrom. The signs shall be erected no more than 45 days before and removed no later than 14 days after the celebration.
(H) Hand-held signs of a noncommercial nature not set on or affixed to the ground and not exceeding 10 square feet in area.
(I) Home and commercial building occupational signs identifying the name and profession of the occupants(s) and not exceeding 2 square feet in area.
(J) Memorial or commemorative plaques or tablets denoting a building name and/or date of erection or a location of historic significance and not exceeding 4 square feet in area.