Indiana Code Title 27. Insurance § 27-1-22-9

Sec. 9. (a) In addition to any rights conferred pursuant to section 4 of this chapter any member or subscriber to a rating organization may file with commissioner a deviation from the rates, rating schedules, rating plans, rating systems, or rules respecting any kind of insurance, division, subdivision, classification, or any part or combination of any of the foregoing.

(b) Such a filing shall specify the nature and extent of the deviation and shall be accompanied by the relevant information upon which the filer supports the deviation.  The commissioner shall have the right to request any additional relevant information.

(c) Such deviation shall become effective upon the date of filing by delivery or upon date of mailing by registered mail to the commissioner or on a later date specified in the filing.  It shall be in effect until terminated by the filer giving notice to the commissioner of the termination of the deviation.  A change in the rates, rating schedules, rating plans, rating systems, or rules to which the deviation applies shall not terminate the deviation without the consent of the insurer to which the deviation applies.  Any such deviation may be terminated by the commissioner pursuant to the provisions of section 5 of this chapter and after notice and hearings as provided in section 5 of this chapter.

(d) A deviation filing and supporting information shall be open to public inspection as soon as stamped “filed” within a reasonable time after receipt by the commissioner and copies may be had by any person on request and upon the payment of a reasonable charge therefor.