The document outlines the role of wine distributors in the U.S. wine market, highlighting the three-tier system mandated by the 21st Amendment, which requires that wine flows from producers to distributors and then to retailers. It explains that each state typically permits only one distributor per brand and emphasizes the need for wholesalers to obtain a basic permit for trading alcohol. Additionally, it promotes the Beverage Trade Network as a platform for connecting various beverage industry professionals.