Louisiana Code of Civil Procedure Tit. VI, Art. 4172. Issuance of letters

After the person appointed as tutor has qualified by furnishing the security required of him by law, and by taking his oath of office, the clerk shall issue to him letters of tutorship.

These letters, issued in the name and under the seal of the court, evidence the appointment of the tutor, his qualification, and his compliance with all requirements of law relating thereto.