Section 515.102 - Forms of policies and endorsements - approval1. The form of all policies, and of applications, and of agreements or endorsements modifying the provisions of policies, and of all permits and riders used generally throughout the state, that are issued or proposed to be issued by any insurance company doing business in this state under the provisions of this chapter, shall first be examined and approved by the commissioner of insurance.2. The commissioner, upon a determination that the examination required under subsection 1 is unnecessary to achieve the purpose of this section, may exempt either of the following: a. Any specified person by order, or any class of persons by rule.b. Any specified risk by order, or any line or kind of insurance, or subdivision of insurance, or any class of risk or combination of classes of risks by rule.3. Forms of policies issued or proposed to be issued shall provide for the cancellation of the policy at the request of the insured upon equitable terms, and the return to the insured of any premium paid in excess of the customary short rates for the insurance up to the time of cancellation, or the release of the insured from any liability beyond such short rates, or for losses after the cancellation of the policy if the insurance is issued or proposed to be issued by a mutual company.