Article 39 Political Constitution of the United Mexican States
Second Title · Chapter I. On National Sovereignty and the Form of Government
Current text · last reform published in the Official Gazette of the Federation (DOF) on 2 June 2026
National sovereignty resides essentially and originally in the people. All public power emanates from the people and is instituted for the benefit of the same. The people have at all times the inalienable right to alter or modify the form of their government.