Iowa Code § 521I.9: Confidentiality.

A dividing insurer may submit a written request to the commissioner that confidentiality be maintained regarding all business, financial, actuarial, and other proprietary information submitted to, obtained by, or disclosed to the commissioner in connection with the dividing insurer’s plan of division. The commissioner shall make a determination regarding the dividing insurer’s request prior to issuing a notice of a public hearing pursuant to section 521I.8, subsection 2. If the commissioner grants the dividing insurer’s request in whole or in part, such information as the commissioner determines shall remain confidential, shall not be available for public inspection, and shall not be subject to chapter 22. The plan of division shall not be confidential and shall be available for public inspection.