(1) In order to determine the exact amount of the tax and to facilitate the collection thereof, no wholesaler shall make any gift of beer or any other type of gift to any retailer, nor shall any deal be made with any retailer or any other person whereby the wholesale price of beer shall be reduced below the list price above provided for as inducement to the retailer or any other person to make larger purchases; provided, however, that a manufacturer may offer, by coupons provided by a manufacturer, a discount to the consumer to be redeemed only by the manufacturer. Neither a retailer nor a wholesaler shall participate, either directly or indirectly, in the redemption of such coupons.
(2) A violation of this section is a Class C misdemeanor.