(a) No licensee licensed under the provisions of this Act shall deny or permit his agents and employees to deny any person the full and equal enjoyment of the accommodations, advantages, facilities and privileges of any premises in which alcoholic liquors are authorized to be sold subject only to the conditions and limitations established by law and applicable alike to all citizens.
     (b) A distributor or an importing distributor may refuse to sell beer, brew, or similar beverages containing 0.5% or less of alcohol by volume to a non-licensee.