Constitutional FAQ Answer #138 – The U.S. Constitution Online – USConstitution.net

Constitutional FAQ Answer #138

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Q138. “In what instances is a ‘Supermajority’
required under the US Constitution?”

A. The specific instances in which the US Constitution requires a
super-majority are limited to:

  • Convicting an Impeachment (2/3 majority in the Senate — Article 1, Section 3)
  • Expulsion of a member of one house of Congress (2/3 vote of the house in
    question — Article 1, Section 5)
  • Override a Presidential Veto (2/3 majority in both the House and the
    Senate — Article 1, Section 7)
  • Ratify a treaty (2/3 majority in the Senate — Article 2, Section 2)
  • Passing of a Constitutional Amendment by Congress (2/3 majority in both
    the House and the Senate — Article 5)
  • Calling for a Constitutional Convention (2/3 of the state legislatures
    Article 5)
  • Ratifying a Constitutional Amendment (3/4 of the states — Article 5)
  • Restore the ability of certain rebels to serve in the government (2/3
    majority in both the House and the Senate — 14th Amendment)
  • Approval of removal of the President from his position after the Vice
    President and the Cabinet approve such removal and after the President
    contests the removal (2/3 majority in both the House and the Senate 25th Amendment)

Additionally, it should be noted the in a few cases, the Constitution
requires a super-majority for a quorum. A quorum is that number of members of a
body that are required for the body to do any work. For example, there is
usually a 50% quorum requirement in the House and Senate — at least half
the members must be present. In the Constitution, super-majority quorums are
required as follows:

  • Choice of a President in the House when no majority of electoral votes is
    achieved (member or members from 2/3 of the states 12th Amendment)
  • Choice of a Vice President in the Senate when no majority of electoral
    votes is achieved (2/3 of all Senators 12th
    Amendment
    )



Last Modified: 16 Aug 2010


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