A license to permit spirits, wine and beer tasting may be granted by the Commissioner to any person holding a license under this title as a retailer. Spirits, wine and beer tasting may take place only in a separate portion of a licensee's premises where alcoholic beverages are not sold. The separate portion of the premises shall be an area designated for spirits, wine and beer tasting by the Commissioner. No charge may be made for the spirits, wine and beer tasting.