N.D. Cent. Code § 30.1-08.1-01: Declaratory judgment

Any person who executes a will disposing of the person's estate in accordance with this title may institute a proceeding under chapter 32-23 for a judgment declaring the validity of the will as to the signature on the will, the required number of witnesses to the signature and their signatures, and the testamentary capacity and freedom from undue influence of the person executing the will.