The commissioner shall have power to cancel any lease, contract or other instrument executed by him which shall have been obtained by fraud or executed through mistake or without authority of law. In such case he shall serve upon the party or parties in interest notice, as prescribed by Section 19-7-50 NMSA 1978 to show cause before him, upon a date to be fixed in such notice, why such instrument shall not be canceled in accordance with the rules and regulations of the state land office.
From the decision rendered by the commissioner upon such hearing an appeal shall lie as provided by this chapter in cases of contest.