Indiana Code Title 27. Insurance § 27-7-6-6

Sec. 6. (a) An insurer shall not fail to renew a policy unless it mails to the named insured, at the address shown in the policy, at least twenty (20) days advance notice of its intention not to renew the policy.

(b) If a policy was procured by an independent insurance producer duly licensed by the state of Indiana, a notice of intent not to renew the policy shall be mailed to the independent insurance producer at least ten (10) days prior to the mailing of the notice of intention not to renew to the named insured under subsection (a), unless such notice of intent is or has been waived in writing by the independent insurance producer.

(c) This section does not apply:

However, notwithstanding the failure of an insurer to comply with this section, the policy shall terminate on the effective date of any other insurance policy with respect to any automobile designated in both policies.

(d) A notice of intention not to renew is not required under this section if:

(e) Renewal of a policy shall not constitute a waiver or estoppel with respect to grounds for cancellation which existed before the effective date of such renewal.