Bureau of Prohibition Bureau of Prohibition The Bureau of Prohibition (or Prohibition Unit) was the federal law enforcement agency formed to enforce the National Prohibition Act of 1919, commonly known as the Volstead Act, which elaborated upon the 18th Amendment to the United States Constitution regarding the prohibition of the manufacture, sale, and transportation of alcoholic beverages. When it was first established in 1920, it was a unit of the Bureau of Internal Revenue. On April 1, 1927, it became an independent entity within the Department of the Treasury, changing its name from the Prohibition Unit to the Bureau of Prohibition. In 1930,
Nineteenth Amendment to the United States Constitution amendment's validity was unanimously upheld in "Leser v. Garnett", . Oscar Leser sued to stop two women registered to vote in Baltimore, Maryland, because he believed that the Maryland Constitution limited the suffrage to men and the Maryland legislature had refused to vote to ratify the Nineteenth Amendment. Two months before, the federal government had proclaimed the amendment incorporated into the Constitution on August 26, 1920. First, Leser said the amendment "destroyed State autonomy" because it increased Maryland's electorate without the state's consent. The Court answered that the Nineteenth Amendment was worded like the Fifteenth Amendment, which had expanded state