It is unlawful for any business establishment or club, not holding an on-sale liquor license to directly or indirectly, or on any pretense or by any device, to sell, barter, keep for sale, or otherwise dispose of any liquid for the purpose of mixing the same with liquor, or permit its members to bring and keep a personal supply of liquor in lockers assigned to such members, without a license therefor from the city.
(2006 Code, § 5.80) Penalty, see § 121.999