Preservation guidelines for a proposed historic district shall be submitted with a nomination application. The district preservation guidelines shall not apply to the interior of commercial structures. Further, the district guidelines shall include, but not be limited to the following:

(a)   Guidelines for those seeking a certificate of appropriateness including, but not limited to the following:

(1)   Acceptable materials for any construction, additions, remodeling or rehabilitation activities to the exterior of the structures;

(2)   Appropriate architectural character, scale, and detail for any construction, additions, remodeling or rehabilitation activities;

(3)   Acceptable appurtenances to the structures;

(4)   Acceptable textures and ornamentation to the exterior of the structures;

(5)   Acceptable accessories on structures;

(6)   Such other building regulations which would have impact on the buildings;

(7)   Acceptable standards for changes to non-contributing resources within the district; and

(8)   Acceptable signage.

(b)   Guidelines for public improvements in the district, including street furniture, signs, design textures of sidewalks, streets and parks.