The validity of a marriage is not affected by the lack of authority of the person conducting the marriage ceremony if:
(1) there was a reasonable appearance of authority by that person;
(2) at least one party to the marriage participated in the ceremony in good faith and that party treats the marriage as valid; and
(3) neither party to the marriage:
(A) is a minor whose marriage is prohibited by law; or
(B) by marrying commits an offense under Section 25.01, Penal Code.
Official text of the Texas Family Code as published by the Texas Legislative Council.