No establishment licensed by the Commissioner for the sale of alcoholic beverages either on or off the licensed premises shall engage in, or knowingly permit any patron, employee, staff member or other person under their employ, supervision, direction or control, to engage in or promote any form of illegal or unlicensed gambling activity on the licensed premises in any manner not consistent with the Constitution of this state, or any criminal or civil statute of the Delaware Code.
4 Del. Admin. Code § 1501-5.0