(a) It shall be lawful for any warehousing and office facility used by an authorized wholesaler of alcoholic beverages or manufacturing facility of a producer of native wines, or the manufacturing facility of a producer of beer, or the facilities of an alcoholic beverage distiller, blender, or rectifier, to continue in operation and to sell or give away, where previously authorized by law, such products in the facilities or existing restaurants appurtenant thereto, and utilized to promote the word-of-mouth advertising of such products, after the political subdivision in which such facility is located votes against the manufacture or sale of alcoholic beverages, provided that the facilities were in use or under construction for use prior to the filing of the petitions for local option election.
(b) Sales from the establishment shall be limited to sales to authorized retailers or native wine wholesalers for resale in areas where the sale of alcoholic beverages is lawful.