A local licensing board may conduct an investigation at a catered event to enforce the prohibitions under §§ 6–304 and 6–307 of this article against selling or providing alcoholic beverages to individuals who have not attained the legal drinking age or are visibly under the influence of an alcoholic beverage. If a local licensing board determines that alcoholic beverages were unlawfully sold or provided at a catered event: the local licensing board shall report its findings to the Executive Director; and the Executive Director shall take the action the Executive Director determines is appropriate.