Iowa Admin. Code r. 221-7.3
A museum may acquire title to undocumented property held for seven years or longer if no valid claim or contact is made by any person in accordance with Iowa Code sections 303B.7 and 303B.9 and 221-7.2 (305B), Iowa Administrative Code. A museum may declare acquisition of legal title to undocumented property following the museum's completion of all notifications specified in Iowa Code sections 305B.3 to 305B.6, 305B.8 and 305B.9. The notification shall consist of a written notice to the last known contact, if a contact is known; posting of a notice of the proposed action in a publicly accessible place in the institution, and publication of a legal notice in a newspaper of record in the state with a 30-day waiting period. This notification must contain substantially the following information as provided by Iowa Code section 303B.9(3): "The records of (name of museum) fail to indicate the owner of record of certain property in its possession. The museum intends to acquire title to the below described property: (general description of the property). If you claim ownership or other legal interest in this property you must contact the institution, establish your ownership of the property pursuant to Iowa Code section 305B.8 and make arrangements to collect the property. If you fail to do so promptly, you will be considered to have waived any claim you may have had to the property."
Iowa Admin. Code r. 221-7.3