Texas Estates Code - EST § 123.102. Application to Void Marriage After Death

(a) Subject to Subsection (c), if a proceeding described by Section 123.101(a) is not pending on the date of a decedent's death, an interested person may file an application with the court requesting that the court void the marriage of the decedent if:

(b) The notice applicable to a proceeding for a declaratory judgment under Chapter 37, Civil Practice and Remedies Code, applies to a proceeding under Subsection (a).

(c) An application authorized by Subsection (a) may not be filed after the first anniversary of the date of the decedent's death.