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,
Fourth Amendment to the United States Constitution officer of the customs" and barring all other writs. The governor overturned the legislation, finding it contrary to English law and parliamentary sovereignty. Seeing the danger general warrants presented, the Virginia Declaration of Rights (1776) explicitly forbade the use of general warrants. This prohibition became a precedent for the Fourth Amendment: Article XIV of the Massachusetts Declaration of Rights, written by John Adams and enacted in 1780 as part of the Massachusetts Constitution, added the requirement that all searches must be "reasonable," and served as another basis for the language of the Fourth Amendment: By 1784, eight state constitutions contained