§431:10C-112  Notice of cancellation ornonrenewal; effect on term of coverage.  (a)  In the case of cancellationor nonrenewal of a motor vehicle insurance policy by the insurer, the insurershall mail a written notice of prospective cancellation or nonrenewal to theinsured not fewer than thirty days prior to the effective date of thecancellation or nonrenewal.  The insurer shall continue all motor vehicleinsurance and optional additional coverages in force for thirty days followingthe mailing; provided that in the case of cancellation for the nonpayment ofpremiums the insurer shall:

(1)  Mail a written notice of prospective cancellationto the insured not fewer than twenty days prior to the effective date of thecancellation; and

(2)  Continue all motor vehicle insurance and optionaladditional coverages in force for twenty days following the mailing.

Cancellation or nonrenewal shall not be deemedvalid unless the mailing required by this section is supported by a certificateof mailing properly validated by the United States Postal Service.

(b)  If the insurer has manifested in writingan offer to renew to the named insured at least thirty days prior to the end ofthe policy period and the offer is not accepted before the expiration of thepolicy term, the policy shall lapse upon that expiration date and section431:10C-111 shall not apply.  Notwithstanding other valid methods ofacceptance, an offer shall be deemed accepted as of the date of mailing of theacceptance.  The date of mailing may be evidenced by the postmark or acertificate of mailing properly validated by the United States Postal Service.[L 1987, c 347, pt of §2; am L 2004, c 124, §2]