Section 506 - Interest in establishment selling to consumer(a) It shall be unlawful: (1) For a manufacturer or supplier, or the owner, partner or stockholder of a manufacturer or supplier, to own or be interested in any manner in any establishment licensed by the Commissioner to sell alcoholic liquors, either by the bottle or by the glass to the consumer thereof for consumption either on or off the premises where sold; or(2) For a manufacturer, as defined in § 101 of this title, and whether or not said "manufacturing"' takes place within this State and whether or not the activity is licensed by the Commissioner, or the owner, partner or stockholder of such a manufacturer, to own or be interested in any manner in any establishment licensed by the Commissioner to import alcoholic liquors into the State; or(3) For a supplier, whether or not licensed by the Commissioner, who manufactures or has an interest in a manufacturer, or the owner, partner or stockholder of such a supplier, to own or be interested in any manner in any establishment licensed by the Commissioner to import alcoholic liquors into the State; or(4) For a supplier licensed by the Commissioner, or the owner, partner or stockholder of such a licensed supplier, to own or be interested in any manner in any establishment licensed by the Commissioner to import alcoholic liquors into the State; or(5) For any importer, or the owner, partner or stockholder of an importer, to own or be interested in any manner in any establishment licensed by the Commissioner to sell alcoholic liquors, either by the bottle or by the glass, to the consumer thereof, for consumption either on or off the premises where sold.(b) This section shall not be construed to prohibit a manufacturer, supplier or importer doing business as a corporation, or the stockholders thereof, from having an interest in any establishment licensed to sell alcoholic liquors to the consumer thereof, where: (1) The stock of such manufacturer, supplier or importer and such establishment is publicly traded on a national or regional exchange or over-the-counter;(2) The manufacturer, supplier or importer does not use its ownership interest in such establishment as to induce, directly or indirectly, such establishment to purchase any products from the manufacturer, supplier or importer to the exclusion, in whole or in part, of products sold or offered for sale by other manufacturers, suppliers or importers.(c) This section shall not be construed to prohibit a manufacturer or supplier doing business as a corporation, or the stockholders or affiliates thereof, from having an interest in or obtaining a license for a boat pursuant to § 554(b) of this title.38 Del. Laws, c. 18, § 15; Code 1935, § 6144(4); 4 Del. C. 1953, § 506; 63 Del. Laws, c. 258, §1; 65 Del. Laws, c. 291, §1; 72 Del. Laws, c. 486, § 9; 74 Del. Laws, c. 252, § 1; 78 Del. Laws, c. 220, § 1.;