This section does not apply to the room of a registered guest in a hotel, motel, or hospice. Except as provided elsewhere in this title, from 2 a.m. to 6 a.m. on any day, an individual may not consume alcoholic beverages in: a restaurant, tavern, hotel, club, dance studio, or disco; a place open to the public; a place of public entertainment; a place that is licensed by the State or the county; or a place at which setups or other component parts of mixed alcoholic drinks are sold under a license issued under the Business Regulation Article. An owner or a manager of an establishment or a place specified in subsection (b) of this section may not knowingly allow consumption of alcoholic beverages between the hours provided in subsection (b) of this section. A person who violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $250.