Amendments to the Constitution
Article 135. The present Constitution may be added to or amended. In order that the additions or amendments shall become a part thereof, it shall be required that the Congress of the Union, by a vote of two thirds of the individuals present, agree to the amendments or additions and that they be approved by a majority of the legislatures of the States. The Congress of the Union or the Permanent Committee, as the case may be, shall count the votes of the legislatures and shall announce those additions or amendments that have been approved.