If not determined previously, upon a final decree of adoption, the parents of the child are relieved of all their legal duties and divested of all their legal rights with regard to the adopted child, and the adopted child is relieved of all of his legal duties and divested of all his legal rights with regard to the parents, except the right of the child to inherit from his parents. A final decree of adoption automatically entitles the child to United States citizenship under the Intercountry Adoption Act.
La. Ch.C. § 1285.15