17.48.090: NONCONFORMING SIGNS:
   A.   Removal Of Nonconforming Signs: In order to minimize confusion and unfair competitive disadvantage to those businesses that are required to satisfy the current Sign Code requirements, the City intends to regulate existing nonconforming signs with a view to their eventual elimination.
   B.   Maintenance: Excluding normal maintenance, repair, or removal, a nonconforming sign shall not be moved, altered (including face and structural changes), or enlarged unless it is brought into complete compliance with the current Sign Code. The following alterations are exempt from this provision:
      1.   Content changes to a previously approved sign. (Ord. 19-14)