7A.6.1.   SIGN AREA
   The area of a shall be determined as follows (see Figure 1: Area of a ):
 
   A.   Single Face
      1.   The entire area within a single continuous perimeter composed of squares or rectangles that enclose the extreme limits of the advertising message, announcement, declaration, demonstration, display, illustration, insignia, surface, or space of a similar nature, together with any frame or other material, color, or condition that forms an integral part of the display and is used to differentiate such from the against which it is placed, excluding the necessary supports or uprights on which such is placed. In cases where non-useable space is within the measurement rectangle and the non-useable space is greater than fifty-percent of the area of the useable area, the measurement rectangles may enclose the useable area only.
      2.    Individual Letters
         Where a consists only of individual letters, numerals, symbols or other similar components and is painted on or attached flat against the of a , and where such individual components are without integrated background definition and are not within a circumscribed frame area, the total area of the shall be the area of the square or rectangle that circumscribes the entire message.
   B.   Two or More Faced
      Where a has two or more faces, the area of all faces shall be included in determining the area of the , except that only one face of a double-faced shall be considered in determining the area when both faces are parallel and the farthest distance between faces does not exceed five feet, or when the interior angle of the faces does not exceed 45° if the boards are in a "V" configuration.