If an unsafe or dangerous sign is not repaired or made safe within 10 working days after written notice is delivered to or sent by certified mail to the person having charge or control or benefit of such sign, the city may at once abate and remove said sign and the person having charge, control or benefit of any such sign shall pay to West Point City the costs incurred in such removal within 30 calendar days after written notice of the cost is delivered to or mailed to such person. [Ord. 08-17-2021B § 2 (Exh. A)].