[Ord. No. 1979-12]
Nothing in this article shall relieve
the owner or user of a legal nonconforming sign or owner of the property
on which the legal nonconforming sign is located from the provisions
of this Code provided, however, that any repainting, cleaning and
other normal maintenance or repair of the sign or sign structure shall
not modify the sign structure or copy in any way which makes it more
nonconforming.