It is unlawful for the owner, proprietor, agent, manager or person in charge to knowingly permit or allow any person to violate any sentence, section or clause of this chapter while said person is upon the premises licensed hereunder. (Ord. 3343 § 1 (Exh. A), 2019; Ord. 3253 § 2 (Exh. B), 2017; Ord. 2580 § 1, 2005)