The violation of any of the terms, covenants or conditions of any lease or instrument in writing executed by the commissioner covering state lands, or the nonpayment by any lessee of such lands of rental when due, shall, at the option of the commissioner, work a forfeiture of any such lease or instrument in writing after thirty days' notice thereof to the lessee and the holders of any collateral assignments by registered mail, addressed to his or their last known post-office address of record in the state land office; provided, if within said thirty days the lessee or the holders of any collateral assignments shall comply with the demand made in any such notice, cancellation shall not be made.
NMS § 19-7-50