N.D. Cent. Code § 32-18-02: Default - Contents of notice

Whenever any default shall have been made in the terms or conditions of any such instrument for future conveyance of real estate or equity therein, and the owner or vendor shall desire to cancel or terminate the same, the owner or vendor, within a reasonable time after such default, shall cause a written notice to be served upon the vendee or purchaser, or the vendee's or purchaser's assigns, stating that such default occurred and that said contract will be canceled or terminated, and the time when said cancellation or termination shall take effect, which shall be as provided in section 32-18-04.