(a) The insurer shall promptly file a copy of its bylaws, duly certified by its president and secretary, with the Insurance Commissioner.
(b) No amendment of bylaws shall be valid and binding upon the insurer's members until a certified copy of the amendment has been on file with the commissioner for a period of at least ten (10) days.
(c) No amendment of an insurer's bylaws affecting rates shall be effective unless and until approved by the commissioner as being reasonable or necessary.