The provisions of the Minnesota consolidated food licensing law, sections 28A.01 to 28A.16 and acts amendatory thereto, shall not apply to persons licensed to sell 3.2 percent malt liquor "on-sale" as provided in section 340A.403, or to persons licensed to sell intoxicating liquors "on-sale" or "off-sale" as provided in sections 340A.404 to 340A.407, provided that these persons sell only ice manufactured and packaged by another, or bottled or canned soft drinks and prepacked candy at retail.