5.3.10.   ADDITIONAL DESIGN CONSIDERATIONS
   A.    or surfaces, that are , shall have colors that are predominant within the surrounding landscape, such as desert and earth tones. Single- dwellings, except in recorded after May 28, 1985, are exempt from this standard.
   B.   Fencing and freestanding walls facing the shall meet the material restrictions in Section 7.6.5, Screening Standards.
   C.   Signs are required to comply with the following:
      1.   Section 3-32, District, of Chapter 3, Advertising and Outdoor Signs, of the Tucson Code;
      2.   Signs shall use colors that are predominant within the surrounding landscape, such as desert and earth tones;
      3.   No commercial advertising sign, except a sign pertaining to a use conducted on the premises or a sign advertising the sale or lease of the property upon which the sign is located, and no billboard shall be erected within 400 feet of the line on any ; and,
      4.   When the standards of this section and Section 3-32 conflict, the more restrictive of the two prevails.