It shall be unlawful for a retailer of alcoholic liquor to:
(a) Permit any person to mix drinks in or on the licensed premises unless the person is preparing or mixing samples for the purposes of conducting wine, beer or distilled spirit tastings, or any combination thereof, as authorized by K.S.A. 41-308d, and amendments thereto;
(b) Employ any person under the age of 21 years in connection with the operation of the retail establishment;
(c) Employ any person in connection with the operation of the retail establishment who has been adjudged guilty of a felony;
(d) Furnish any entertainment in his or her premises or permit any pinball machine or game of skill or chance to be located in or on the premises;
(e) Have in his or her possession for sale at retail any bottles, cask or other containers containing alcoholic liquor, except in the original package; or
(f) Sell, give away, dispose of, exchange or deliver or permit the sale, gift or procuring of any alcoholic liquor to or for any person under 21 years of age.
(K.S.A. 41-713) (1987 Code, § 3-305)