Passed by Congress December 9, 1803, and ratified June 15, 1804, the 12th Amendment provided for separate Electoral College votes for President and Vice President, correcting weaknesses in the earlier electoral system which were responsible for the controversial Presidential Election of 1800.

​

​12th Amendment

The terms of the President and the Vice President shall end at noon on the 20th day of January, and the terms of Senators and Representatives at noon on the 3d day of January, of the years in which such terms would have ended if this article had not been ratified; and the terms of their successors shall then begin.

​

​20th Amendment

No person shall be elected to the office of the President more than twice, and no person who has held the office of President, or acted as President, for more than two years of a term to which some other person was elected President shall be elected to the office of the President more than once.

​22nd Amendment

In case of the removal of the President from office or of his death or resignation, the Vice President shall become President.

​25th Amendment