Article 46 Political Constitution of the United Mexican States
Second Title · Chapter II. On the Integral Parts of the Federation and the National Territory
Current text · last reform published in the Official Gazette of the Federation (DOF) on 2 June 2026
The states (federal entities) may arrange among themselves and at any moment, through amicable agreements, their respective limits; but those arrangements shall not be carried into effect without the approval of the Senate.
If the agreement referred to in the preceding paragraph does not exist, and at the instance of any of the parties in conflict, the Supreme Court of Justice of the Nation shall hear, process and resolve with the character of unassailable, the controversies over territorial limits that arise between the states (federal entities), in the terms of section I of article 105 of this Constitution.