Indiana Code Title 27. Insurance § 27-8-28-13

Sec. 13. (a) An insurer shall provide, at the request of the insured, covered individual, or legal representative of the insured or covered individual, and upon policy issuance, at each policy renewal, and with any notice of denial of a claim, timely, adequate, and appropriate notice to each insured, covered individual, or legal representative, of:

(b) An insurer shall prominently display on all notices to covered individuals the toll free telephone number and the address at which a grievance or request for external grievance review may be filed.