A tenancy or other estate at will, however created, may be terminated by the landlord's giving notice to the tenant in the manner prescribed by section 47-17-02 to remove from the premises within a period specified in the notice of not less than one month.
Month's notice terminates estate at will
N.D.C.C. § 47-17-01 — under Termination of Estates.
N.D.C.C. § 47-17-01