A nonconforming sign, with the exception of a sign prohibited by section 10-9-11 of this chapter, may be continued and shall be maintained in good condition, but shall not be:
A. Changed to another nonconforming sign.
B. Structurally altered except for normal maintenance and copy changes as long as the maintenance does not exceed twenty five percent (25%) of the replacement value of the sign at any one time.
C. Expanded.
D. Reestablished after damage or destruction if the estimated expense of reconstruction exceeds fifty percent (50%) of the appraised replacement costs as determined by the building inspector.
E. Moved to another location unless brought into conformance. (Ord. 1530, 1-18-2011)