<P> The alcohol laws of Utah regulate the selling and purchasing of alcohol in the United States state of Utah and are some of the most restrictive in the United States . A person must be 21 years old to buy or consume alcohol . The Utah Department of Alcoholic Beverage Control (UDABC) has regulated the sale of alcoholic beverages since 1935, two years after the end of Prohibition . Utah is one of 18 control states, meaning the state has a monopoly over the wholesaling and / or retailing of some or all categories of alcoholic beverages . </P> <P> Current Utah law sets a limit of 3.2 percent alcohol by weight (4 percent by volume) in beer sold at grocery and convenience stores and at establishments operating under a "beer only" type license, such as taverns, beer bars and some restaurants . Beer over 3.2 percent by weight (4 percent by volume) is available in State Liquor Stores and Package Agencies and at clubs and restaurants licensed to sell liquor . In commercial facilities, the time at which alcohol may be served is limited, and alcohol may not be sold any later than 1 am under any circumstance . </P> <P> The Church of Jesus Christ of Latter - day Saints (Mormon), to which a majority of Utahns belong, advises against the consumption of alcohol for its members in the Word of Wisdom given in the Doctrine and Covenants . Because of this traditional LDS teaching and the large population of Latter - day Saints in Utah, the alcohol laws of Utah have generally been strict . However, several attempts to make Utah a dry state also failed, and due to a need to address violence caused by bootlegging, on December 5, 1933 the 21 members of the Utah delegation to the constitutional convention unanimously cast the 36th deciding state vote to repeal the Eighteenth Amendment and ratify the Twenty - first Amendment, thus repealing national alcohol prohibition . </P>

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