The twenty-third article of amendment to the Constitution of the United States of America was ratified February 27, 1951.

Section 1. The District constituting the seat of Government of the United States shall appoint in such manner as the Congress may direct:
   A number of electors of President and Vice President equal to the whole number of Senators and Representatives in Congress to which the District would be entitled if it were a State, but in no event more than the least populous State; they shall be in addition to those appointed by the States, but they shall be considered, for the purposes of the election of President and Vice President, to be electors appointed by a State; and they shall meet in the District and perform such duties as provided by the twelfth article of amendment.
Section 2. The Congress shall have power to enforce this article by appropriate legislation.

See also: Amendment I, Amendment II, Amendment III, Amendment IV, Amendment V, Amendment VI, Amendment VII, Amendment VIII, Amendment IX, Amendment X, Amendment XI, Amendment XII, Amendment XIII, Amendment XIV, Amendment XV, Amendment XVI, Amendment XVII, Amendment XVIII, Amendment XIX, Amendment XX, Amendment XXI, Amendment XXII, Amendment XXIV, Amendment XXV, Amendment XXVI, Amendment XXVII