All signs are subject to the regulations and requirements of Chapter 3, Section 3.35 of the Revised Ordinances of 1991 as amended and provided that:

1. All exterior signs shall require a building permit;
2. Freestanding accessory ground signs shall be allowed only in the Business Highway, Central Business and Industrial zoning districts, and there is no variance of this provision;
3. All freestanding non-accessory ground signs, i.e., billboards, are prohibited;
4. Preexisting nonconforming freestanding ground signs shall be considered structures and regulated by MCC 12.28.100 of this Ordinance.