the 16th amendment...
The 16th amendment to the US Constitution allows the income tax.
The 16th amendment to the US Constitution gives Congress the right to raise money in just about any way it wants, including income tax.
The Congress passed the 16th amendment on July 2, 1909 and it was ratified on February 3, 1913. The amendment gives a power to the Congress in imposing Federal income tax.
Amendment 16 states congress has the power to lay and collect taxes on incomes, without regaurd to census or enumeration.
the 16th amendment
The Sixteenth Amendment