16th Amendment to the U. S. Constitution: Federal Income Tax (1913) Sixty-first Congress of the United States of America, At the First Session,

Begun and held at the City of Washington on Monday, the fifteenth day of March, one thousand nine hundred and nine.

JOINT RESOLUTION
Proposing an amendment to the Constitution of the United States.

Resolved by the Senate and House of Representatives of the United States of America in Congress assembled (two-thirds of each House concurring therein), That the following article is proposed as an amendment to the Constitution of the United States, which, when ratified by the legislature of three-fourths of the several States, shall be valid to all intents and purposes as a part of the Constitution:

"ARTICLE XVI. 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."