Code of Federal Regulations Title 27. Alcohol, Tobacco Products and Firearms § 27.1.21 Domestic producers, rectifiers, blenders, and warehousemen

(a) Engage in the business of distilling distilled spirits, producing wine, rectifying or blending distilled spirits or wine, or bottling, or warehousing and bottling, distilled spirits;  or

(b) While so engaged, sell, offer or deliver for sale, contract to sell, or ship, in interstate or foreign commerce, directly or indirectly or through an affiliate, distilled spirits or wine so distilled, produced, rectified, blended, or bottled, or warehoused and bottled.