(A) No person, either directly or indirectly, shall at any time sell, furnish, give or deliver any alcoholic liquor to any person unless such person shall have attained the age of 21 years.
(B) The provisions of this section shall not prohibit the following:
(1) The furnishing, giving or delivering of alcoholic liquor to any person who has not attained the age of 21 years if said furnishing, giving or delivering is by a natural or adoptive parent to his or her child within the confines of said parent's home;
(2) The use of alcoholic liquor when actually used as an ingredient in the preparation of foods;
(3) The furnishing, giving or delivering of alcoholic liquor to a person who has not attained the age of 21 years if such furnishing, giving or delivering is done at the direction of a physician or surgeon;
(4) The furnishing, giving or delivering of alcoholic liquor to a person who has not attained the age of 21 years if such furnishing, giving or delivering is in connection with a ceremony of an established religion.
(O.C. § 9.82)