Article 2B, Sections 11-304(a), (q) and 11-516
(a) No alcoholic beverages may be served, dispensed, consumed, furnished or given away by a licensee, his or her agent(s) and/or employee(s) to anyone on any part of the licensed premises during the hours prohibited by law.
(b) There is a one-half hour grace period that begins at the required time for ceasing all alcoholic beverage sales. During the one-half hour grace period, alcoholic beverages that were ordered, received and paid for before the required time for ceasing all alcoholic beverage sales may be consumed or possessed to allow patrons to finish consuming their alcoholic beverages. All alcoholic beverages must be off all tables and the bar consumption area by the end of the one-half hour grace period.