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.