IC 27-1-31-2
Grounds for cancellation; notice of cancellation
     Sec. 2. (a) An insurer may not cancel a policy of insurance that the insurer has written that has been in effect more than ninety (90) days unless:
        (1) the insured under the policy has failed to pay the premium;
        (2) there is a substantial change in the scale of risk covered by the policy;
        (3) the insured has perpetrated a fraud or material misrepresentation upon the insurer;
        (4) the insured has failed to comply with reasonable safety recommendations; or
        (5) reinsurance of the risk associated with the policy has been cancelled.
    (b) An insurer shall provide a written notice of cancellation to a person insured under a policy issued by the insurer at least:
        (1) forty-five (45) days before cancelling the policy for any reason set forth in subsection (a)(2), (a)(4), or (a)(5);
        (2) twenty (20) days before cancelling the policy for the reason set forth in subsection (a)(3); or
        (3) ten (10) days before cancelling the policy for the reason set forth in subsection (a)(1).
As added by P.L.271-1987, SEC.4. Amended by P.L.162-1988, SEC.3.

IC 27-1-31-2.5
Notice of cancellation
     Sec. 2.5. An insurer may cancel a policy of insurance that the insurer has written that has been in effect ninety (90) days or less by

providing a written notice of cancellation to a person insured under the policy at least:
        (1) ten (10) days before cancelling if an insured has failed to pay a premium;
        (2) twenty (20) days before cancelling if the insured has perpetrated a fraud or material misrepresentation upon the insurer; or
        (3) thirty (30) days before cancelling for any other reason.
As added by P.L.162-1988, SEC.4.

IC 27-1-31-3
Notice of nonrenewal
     Sec. 3. (a) If an insurer refuses to renew a policy of insurance written by the insurer, the insurer shall provide written notice of nonrenewal to the insured:
        (1) at least forty-five (45) days before the expiration date of the policy, if the coverage provided is for one (1) year, or less; or
        (2) at least forty-five (45) days before the anniversary date of the policy, if the coverage provided is for more than one (1) year.
    (b) A notice of nonrenewal is not required if:
        (1) the insured is transferred from an insurer to an affiliate of the insurer for future coverage as a result of a merger, an acquisition, or a company restructuring;
        (2) the transfer results in the same or broader coverage; and
        (3) the insured approves the transfer.
As added by P.L.271-1987, SEC.4. Amended by P.L.160-2003, SEC.23.