No person who has in his or her possession in a bottle, can, or other receptacle containing any alcoholic :beverage which has been opened, or a seal broken, or the contents of which have been partially removed, shall enter, be, or remain on the posted premises of, including the posted parking lot immediately adjacent to, any retail package off-sale alcoholic beverage licensee licensed pursuant to Division 9 (commencing with Section 23000) of the California Business and Professions Code, or on any public sidewalk immediately adjacent to the licensed and posted premises.
(Ord. 484 art), 1986).