N.D. Cent. Code § 31-08.1-02

Unless a specific period is designated by law for preservation, any business record that state law requires a person to keep or preserve may be destroyed after the expiration of three years from the making of the record without constituting an offense under state law. This section does not apply to any minute book of any corporation or to any record of sales or other transactions involving a weapon, poison, or other dangerous article or substance capable of use in the commission of a crime.