The provisions of this subchapter shall apply to the following signs, except that no license, bond or permit will be required for:
   A.   A legal sign in existence, or for which a permit has been issued, before the effective date hereof.
   B.   Holiday displays; temporary displays, commonly associated with any national, local or religious holiday or celebration.
   C.   Home occupation signs; nonilluminated nameplate not exceeding two (2) square feet in area which is used to identify legal home occupations.
   D.   Official signs; federal, state or local government traffic, directional and informational signs and notices issued by any court, person or officer in performance of a public duty.
   E.   Public utility signs; signs giving information about the location of underground electric transmission lines, telegraph or telephone properties and facilities, pipelines, public sewers or water lines.
   F.   Real estate signs; temporary signs advertising the sale, lease or development of the property on which it is located.
   G.   Residential nameplate signs.
   H.   Safety, warning and directional signs; signs warning of construction, excavation or similar hazards, and parking lot and other private traffic directional signs, each not to exceed the uniform sizes recommended by the state. Such signs are limited to directing pedestrian and vehicular traffic within the premises on which they are located and are not intended to advertise a product or service. (2001 Code § 150.186)