Relinquishment of leases.

With the consent of the commissioner, any lease issued under the provisions of this act [19-8-14 to 19-8-18, 19-8-21 to 19-8-33 NMSA 1978] may be relinquished in whole or in part to the state of New Mexico; provided, however, the commissioner shall not approve any relinquishment of an undivided interest therein nor less than a legal subdivision.