It shall be unlawful for any person to own, maintain, operate or conduct, either directly or indirectly, premises, public or private, where alcoholic liquor is sold, offered for sale, or kept for sale by the drink or in any quantity of less than 100 milliliters (3.4 fluid ounces); provided, however, that this section shall not apply to any premises licensed by the State Director of Alcoholic Beverage Control. (Code 1981 § 5-84. Code 1995 § 10-118.)