(a) General rule. Any person on Federal property is prohibited from either consuming, or otherwise being under the influence of alcoholic beverages, possessing an open container of alcohol, or operating a vehicle while under the influence of alcohol.

(b) Exception. The head of the occupant agency for the designee in the space where the alcohol is to be served may grant a written exemption to the prohibition against the consumption of alcoholic beverages on Federal property. A copy of any granted exemption must be provided to the building manager and the officials responsible for the security of the property before the event at which alcohol will be consumed is held.