Texas Estates Code - EST § 504.001. Grounds for Contesting Foreign Will Probated in Domiciliary Jurisdiction

(1) admitted to probate or established in the jurisdiction in which the testator was domiciled at the time of the testator's death;  and

(2) admitted to probate in this state or filed in the deed records of any county of this state.

(1) the proceedings in the jurisdiction in which the testator was domiciled at the time of the testator's death were not authenticated in the manner required for ancillary probate or recording in the deed records in this state;

(2) the will has been finally rejected for probate in this state in another proceeding;  or

(3) the probate of the will has been set aside in the jurisdiction in which the testator was domiciled at the time of the testator's death.