Amendments To
The Constitution of the United States of America
Amendment 16: Income tax.

A16.1.1
 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.
Supersedes Article I, Section 9.4

Proposed: July 12, 1909,
Ratified: February 25, 1913,
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