Notwithstanding the provisions of R.S. 40:34.2(2)(a) and (c) and 34.5(A), the husband or former husband presumed to be the father of the child, the mother, and the biological father of the child may execute a three-party acknowledgment of paternity pursuant to Civil Code Article 190.1 on the form provided by the Louisiana Department of Health. Upon receipt of that form and a certified report of blood or tissue sampling which indicates by a ninety-nine and nine-tenths percentage point threshold probability that the biological father is the father of the child, the state registrar shall:
La. Public Health and Safety § 40:34.5.1