A. A sign or billboard previously erected in violation of any Pierce County Code shall not become nonconforming.

B. A nonconforming sign shall not be changed, relocated, expanded or altered in any manner which would increase the degree of its nonconformity.

C. A nonconforming sign shall not be structurally altered to prolong its useful life. Normal maintenance and repair such as, but not limited to, painting and cleaning of sign components shall not be considered a structural alternation. The replacement of damaged parts shall not be considered a structural alteration to prolong a sign's useful life if the damage is not a result of normal decay associated with sign age.

D. Nonconforming freestanding and building signs shall be brought into conformance prior to the approval of any improvement that is 60 percent or greater of the building value as calculated in the International Building Code (IBC).

E. Nonconforming signs on a site associated solely with a business or tenant for which a building permit application has been submitted shall be modified to conform to this Title.

F. Nonconforming multi-tenant/multi-building signs shall be brought into conformance when expansion or alteration of the anchor tenant building exceeds 60 percent or greater of the building value as calculated in the IBC. The anchor tenant shall be the tenant with the greatest square footage in the center.

G. A nonconforming freestanding sign shall be removed concurrent with the installation of any new freestanding sign. A nonconforming building sign shall be removed concurrent with installation of a new building sign.