(a) This section applies only to a person or entity who:
(1) owes money to a deceased spouse; or
(2) has custody of property or acts as registrar or transfer agent of any evidence of interest, indebtedness, property, or right owned by a deceased spouse before that spouse's death.
(b) A person or entity with no actual knowledge of the existence of an agreement creating a right of survivorship in property described by Subsection (a) in the surviving spouse may pay or transfer that property to the personal representative of the deceased spouse's estate or, if no administration of the deceased spouse's estate is pending, to the heirs or devisees of the estate and shall be discharged from all claims for those amounts or property paid or transferred.
Official text of the Texas Estates Code as published by the Texas Legislative Council.