Iowa Code § 144.22: Clerk to report to state registrar.

Not later than the tenth day of each calendar month, the clerk of the court shall forward to the state registrar certificates of adoption, or amendment or annulment of adoption, entered in the preceding month, together with such related reports as the state registrar requires. The state registrar, upon receipt from a court of a certificate of adoption, or amendment or annulment of adoption, for a person born outside this state shall forward the certificate to the appropriate registration authority in the state of birth.