Iowa Admin. Code r. 129-2.7
To the extent permitted by any applicable provision of law, 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. A request for such a disclosure must be in writing and must identify the particular record or records that may be disclosed, 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 office on behalf of a person who is the subject of a confidential record is deemed to constitute consent for the office to disclose records about that person to the person's attorney.
Iowa Admin. Code r. 129-2.7