The erection or maintenance of any sign, device or marquee in violation of the provisions of this chapter constitutes a breach of this chapter, and the owner or lessee of the structure and the owner or lessee of such sign or device all shall be liable jointly for any such breach in an amount not less than twenty-five dollars nor more than three hundred dollars for each day or part thereof that such breach continues after such sign or device should have been removed or altered under the provisions of this chapter. (Ord. 69-17 § 5, 1969).