Letters testamentary or of administration shall be in the form of a certificate of the clerk of the court granting the letters, attested by the court's seal, that states:
(1) the executor or administrator, as applicable, has qualified as executor or administrator in the manner required by law;
(2) the date of the qualification; and
(3) the name of the decedent.
Official text of the Texas Estates Code as published by the Texas Legislative Council.