33-4-509. Application and policy forms filed with commissioner. All forms of application for insurance and of policies proposed to be used by an insurer must be filed with the commissioner at least 30 days in advance of any use. The commissioner shall disapprove any form found by the commissioner to be unlawful, illegible, or misleading. An insurer may not use any form after it has received the commissioner's notice of disapproval setting forth the reasons for disapproval.