Iowa Code § 144.38: Amendment of official record.

To protect the integrity and accuracy of vital statistics records, a certificate or record registered under this chapter may be amended only in accordance with this chapter and regulations adopted hereunder. A certificate that is amended under this section shall be marked “amended” except as provided in section 144.40. The date of amendment and a summary description of the evidence submitted in support of the amendment shall be endorsed on or made a part of the record. The department shall prescribe by regulation the conditions under which additions or minor corrections shall be made to birth certificates within one year after the date of birth without the certificate being marked “amended”.