A policy may be issued for a term longer than one year or for an indefinite term with a clause providing for cancellation by the insurer for the reasons stated in section 26.1-30.1-02 by giving a notice as required by section 26.1-30.1-03 at least thirty days prior to any anniversary date.
Longer term policies
N.D.C.C. § 26.1-30.1-05, under Cancellation and Nonrenewal of Commercial Insurance.
N.D.C.C. § 26.1-30.1-05