All signs shall comply with applicable construction and safety standards contained in the BOCA and New Jersey Uniform Construction Codes.

Any holder of a sign permit pursuant to this chapter and Subsection 22-7.19 shall have an affirmative duty to maintain the sign erected under said permit. No sign shall be permitted which is in a dangerous or defective condition. Failure to maintain such sign shall be grounds for revocation of the permit and such other enforcement mechanisms as may be provided for under this chapter.

Any permanent sign related to a building which becomes vacant or a use which is discontinued for a period of six months or longer shall be deemed abandoned. An abandoned sign is prohibited and shall be removed by the owner of the sign or the owner of the premises on which the sign is located.