TITLE IX. CONSTITUCIONAL REVISION
Article 105
The right to initiate the revision of the Constitution shall lie with the Coprinces jointly or a third part of the members of the General Council.
Article 106
The revision of the Constitution shall require the approval of the General Council by a majority of two-thirds of the members of the Chamber. Immediately after its approval the proposal shall be submitted to ratification in a referendum.
Article 107
Once the procedure established in article 106 has been carried out, the Coprinces shall sanction the new constitutional text for its promulgation and coming into force.