On and after the effective date of this Code no policy of insurance against loss or expense from the sickness, or from the bodily injury or death of the insured by accident shall be issued or delivered to any person in this state, nor shall any application, rider or endorsement be used in connection therewith until a copy of the form thereof, and of the classification of risks, and the premium rates pertaining thereto, have been filed with the Insurance Commissioner. If the Insurance Commissioner disapproves the policy, application, rider or endorsement form, said Commissioner shall make a written decision stating the reason or reasons therefor, and shall deliver a copy thereof to the company, and it shall be unlawful for any such insurer to use any such form in the state. Any such insurer shall have twenty (20) days from the date of receipt of the notice of disapproval in which to request a hearing on such disapproval.