Jurisdiction Follows the Appointment
Accepting a guardianship appointment is not just a personal commitment to the child. It is a legal act that places the guardian under the court's authority. From that point forward, any interested person can bring a proceeding related to the guardianship, and the guardian is subject to the court's oversight.
By accepting a testamentary or court appointment as guardian a guardian submits personally to the jurisdiction of the court in any proceeding relating to the guardianship that may be instituted by any interested person.
A.R.S. § 14-5208This means a guardian cannot later claim the court has no authority over them. If a relative, parent, or other interested party raises concerns about the child's care, the court has full power to hold hearings, require reports, and modify or revoke the guardianship.
Notice and Letters of Guardianship
The statute also addresses how the guardian receives notice of future proceedings. Notice can be delivered personally or mailed to the guardian's address on file with the court and any address known to the petitioner. This ensures the guardian is informed even if their contact information has changed.
Letters of guardianship, the official court document confirming the appointment, must indicate whether the guardian was appointed by will or by court order. This distinction matters because testamentary guardians (those named in a will) and court-appointed guardians may have different procedural histories and priority considerations.

