The possession, in an open container, or the drinking of any alcoholic beverage at an Authority facility is prohibited, except for the following: Alcoholic beverages consumed by tenants and their employees, licensees, agents, and assignees within their leased areas who have received authorization by the Authority; Alcoholic beverages sold by the Authority's designated concessionaire or the tenants' designated concessionaire in accordance with their lease; and Alcoholic beverages consumed on parking lots owned or controlled by the Authority on those dates and times and at those locations designated by the Authority for tailgating.