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  1. Sixteenth Amendment | Definition, Summary, & Facts | Britannica

    Dec 19, 2025 · Sixteenth Amendment, amendment (1913) to the Constitution of the United States permitting a federal income tax. The amendment was passed to remove the ‘direct tax dilemma’ …

  2. Sixteenth Amendment to the United States Constitution

    The Sixteenth Amendment (Amendment XVI) to the United States Constitution allows Congress to levy an income tax without apportioning it among the states on the basis of population. It was passed by …

  3. Interpretation: The Sixteenth Amendment | Constitution Center

    The Sixteenth Amendment, ratified in 1913, played a central role in building up the powerful American federal government of the twentieth century by making it possible to enact a modern, nationwide …

  4. 16th Amendment: Definition, What It Does, and Importance

    Apr 25, 2025 · The 16th Amendment of the U.S. Constitution grants Congress the authority to levy income taxes on individuals and corporations without apportioning the tax among the states or …

  5. Sixteenth Amendment | Resources - U.S. Constitution

    The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration. …

  6. Sixteenth Amendment (1913) – Annenberg Classroom

    Congress therefore sent to the states the Sixteenth Amendment, which specifically gives Congress the power to impose a direct income tax. This amendment greatly expanded the scope of federal taxing …

  7. Amdt16.1 Overview of Sixteenth Amendment, Income Tax

    The Sixteenth Amendment clarified that Congress has the power to collect an income tax without apportionment among the states, and without regard to population. 3

  8. 16th Amendment Definition - AP US History Key Term | Fiveable

    The 16th Amendment to the United States Constitution, ratified in 1913, allows the federal government to impose and collect income taxes without apportioning it among the states based on population.

  9. 16th Amendment to the U.S. Constitution: Federal Income Tax (1913)

    Sep 13, 2022 · Passed by Congress on July 2, 1909, and ratified February 3, 1913, the 16th amendment established Congress's right to impose a Federal income tax.

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  10. 16th Amendment to the United States Constitution Explained

    Sep 25, 2025 · The 16th Amendment, which was ratified on February 3, 1913, grants Congress the authority to impose taxes on all forms of income without regard for demographics and without …