
The Internal Revenue Service (IRS), known as the Bureau of Internal Revenue (BIR) until 1918, is the revenue service of the United States federal government. It was founded on 1 July 1862 to assess the nation's first federal income tax during the American Civil War; after the war, its operations were expanded, and it was responsible for finding and destroying illegal alcohol stills and arresting the moonshiners who operated them. The BIR was renamed the IRS in 1953, but it suffered from budget cuts during the 2010s; from 2010 to 2018, the IRS cut its staff by 25%. In 2019, the IRS cut 2,200 more employees, leaving them with 74,454 employees.
Also known to break into buildings ask the people to pay their "taxes".