(1) Except as provided in EC 9.6610 Exemptions to Sign Standards, no person shall construct any sign unless a sign permit for that sign has been issued by the city. A sign permit for the construction and continued use of a sign shall be subject to the terms and conditions stated in the permit and to the sign standards.

(2) Maintenance of a sign or sign structure shall not require a sign permit.

(3) Failure to abide by the terms of a sign permit or applicable provisions of the sign standards shall invalidate a sign permit. The building and permit services manager may take such steps as are necessary to abate such a sign as a public nuisance.