Lead: On February 3, 1913, the sixteenth amendment to the Constitution was adopted – making the income tax a permanent part of life in the United States. Intro.: A Moment in Time with Dan Roberts. Content: Until the Civil War, the United States government relied heavily on tariffs (the taxes on imported goods) for revenue. Although the Constitution prohibited the government from imposing a direct tax on citizens, in 1862, during the Civil War, Congress passed an act which authorized the collection of the income tax in order to help finance a war that was costing the United States treasury one million dollars a day by 1862. With the Republic under threat, resistance to the income tax was not widespread. The wartime emergency income tax was reduced after the war and repealed in 1872. Loading... Taking too long? Reload document | Open in new tab Download [70.52 KB] Share