Article V.
The Congress, whenever two thirds of both Houses shall deem it necessary, shall
propose Amendments to this Constitution, or, on the Application of the Legislatures
of two thirds of the several States, shall call a Convention for proposing Amendments,
which, in either Case, shall be valid to all Intents and Purposes, as Part of
this Constitution, when ratified by the Legislatures of three fourths of the several
States, or by Conventions in three fourths thereof, as the one or the other Mode
of Ratification may be proposed by the Congress; Provided that no Amendment which
may be made prior to the Year One thousand eight hundred and eight shall in any
Manner affect the first and fourth Clauses in the Ninth Section of the first Article;
and that no State, without its Consent, shall be deprived of its equal Suffrage
in the Senate.