An applicant for the probate of a will must prove to the court's satisfaction that:
(1) the testator is dead;
(2) four years have not elapsed since the date of the testator's death and before the application;
(3) the court has jurisdiction and venue over the estate;
(4) citation has been served and returned in the manner and for the period required by this title; and
(5) the person for whom letters testamentary or of administration are sought is entitled by law to the letters and is not disqualified.
Official text of the Texas Estates Code as published by the Texas Legislative Council.