Except as otherwise provided in subsection (b) of this section and elsewhere in this article, a person may not consume alcoholic beverages at any time on any day of the week in a restaurant, tavern, hotel, club, dance studio, disco, and any other place of public entertainment. Exempt from subsection (a) of this section are: the room of a registered guest in a hotel, motel, or hospice; the property of a volunteer fire company; a fishing club established before January 1, 1970; and if it has been in existence for at least 3 years: a catering establishment; a community or civic association; a swim club; a social, civic, nonprofit, charitable, fraternal, patriotic, educational, or public service organization; and a religious institution. The Board shall adopt regulations to carry out this section. An owner, a manager, or an employee of an establishment or a place subject to the prohibitions of this section who knowingly allows consumption in violation of this section is guilty of a misdemeanor and, on conviction, is subject to a fine not exceeding $10,000.