Texas Family Code - FAM § 160.753. Establishment of Parent-Child Relationship

(a) Notwithstanding any other provision of this chapter or another law, the mother-child relationship exists between a woman and a child by an adjudication confirming the woman as a parent of the child born to a gestational mother under a gestational agreement if the gestational agreement is validated under this subchapter or enforceable under other law, regardless of the fact that the gestational mother gave birth to the child.

(b) The father-child relationship exists between a child and a man by an adjudication confirming the man as a parent of the child born to a gestational mother under a gestational agreement if the gestational agreement is validated under this subchapter or enforceable under other law.