1. It shall be an affirmative defense to this Ordinance if an adult in control of a premises where a social gathering is taking place takes reasonable steps to prevent the possession and consumption of alcohol by persons under the age of twenty-one (21) and the possession and consumption of controlled substances including any synthetic versions by any persons while on such premises.
2. Reasonable steps include, but are not limited to:
A. Ensuring that minors do not consume alcoholic beverages by controlling access to alcoholic beverages after verifying the age of persons attending the gathering by inspecting drivers' licenses or other government-issued identification cards; or
B. Prohibiting the illegal consumption or possession of controlled substances, including the abuse of the medications or use of synthetic alternatives at the gathering; or
C. Supervising the activities of minors at the gathering; or
D. Notifying law enforcement of any illegal or unsafe activities.