This section: applies to an establishment that: is not licensed under this title; and serves or gives alcoholic beverages to a customer or allows a customer to consume alcoholic beverages that are from supplies that the customer previously purchased or reserved; and does not apply to an establishment licensed under this title. After legal closing hours for licensed premises under §§ 13–2004 and 13–2005 of this title, an unlicensed establishment may not serve, keep, or allow to be consumed alcoholic beverages, setups, or other component parts of mixed alcoholic drinks at a location under its control or possession. A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 2 years or a fine not exceeding $10,000 or both.