Marketing Permits may only be used at events where no fee is charged by the supplier or wholesaler to a consumer attending or participating in the event. Each sample given at the event must be limited to 3 oz. or less for beer, wine products and cider, to 2 oz. for wine and to 1/4 oz. for liquor. Liquor and wine used for tastings do not have to be price posted items, however, liquor and wine sold by the bottle must be price posted.