A commercial establishment in which individuals make wine on the premises for personal and family use only and not for resale, using ingredients or materials or both supplied by the establishment, is not required to be licensed under this chapter if the establishment is operated in accordance with 27 C.F.R. § 24.75. No person under the age of 21 years may participate in the making of wine in such an establishment. Alcoholic beverages may not be sold or otherwise provided to customers of an establishment described in this section unless the establishment holds the appropriate license for such sale or provision, except that the tasting of wine that is made by a customer or employee at the winemaking on premises store shall be permitted, if the wine is not sold or offered for sale.