Iowa Admin. Code r. 875-1.16
A person who is the subject of a confidential record may have a copy of the portion of that record concerning the subject disclosed to a third party to the extent permitted by law. A request for such a disclosure must be in writing and must identify the particular record or records that may be disclosed, and the particular person or class of persons to whom the record may be disclosed and, where applicable, the time period during which the record may be disclosed. The person who is the subject of the record and, where applicable, the person to whom the record is to be disclosed, may be required to provide proof of identity. Additional requirements may be necessary for special classes of records. Appearance of counsel before the division on behalf of a person who is the subject of a confidential record is deemed to constitute consent for the division to disclose records about that person to the person's attorney.
A letter from a subject of a confidential record to a public official which seeks the official's intervention on behalf of the subject in a matter that involves the division may to the extent permitted by law be treated as an authorization to release relevant information about the subject to the official.
Iowa Admin. Code r. 875-1.16