“Restaurant” means any public place or private place that is primarily engaged in the business of serving a meal for consumption on the premises to a guest, has a seating capacity of at least fifty (50) people, and has a suitable kitchen facility to serve the entire menu approved by the Alcoholic Beverage Control Division. The menu shall contain a selection of food and shall not be limited to sandwiches or salads. The kitchen shall have adequate refrigeration to preserve the food on the menu, shall be kept in a sanitary condition, and shall comply with the regulations of the Department of Health. Food from the menu shall be available from opening time until (2) hours before closing time. “Meal” means the usual assortment of food commonly ordered at various hours of the day and “guest” means a person who orders and is served a meal inside a restaurant during regular hours. Provided, that nothing in this regulation regarding the seating capacity of a restaurant shall preclude a person with a concealed handgun permit issued by the Director of the Arkansas State Police from carrying a concealed handgun into a restaurant as defined herein.