In all cases where the lessee of a valid lease issued under these provisions, or the record owner of an approved assignment of such lease, provides to the commissioner of school and public lands proof of discovery on such lease of an ore body containing valuable mineral deposits deemed to be of merchantable quality and quantity and the lessee has established commercial production on lands subject to the lease, the commissioner of school and public lands upon proper application by the lessee or the record owner and after notice and hearing shall authorize a suspension of the lease during either the primary, secondary, tertiary, quaternary, or indeterminable terms of such lease for such period as may be fixed by him if the commissioner is satisfied that:
A suspension authorized by the commissioner pursuant to the provisions of this section shall take effect as of the date of the commissioner's decision and shall suspend the lease for the period of such suspension, but in no event may any single suspension be for a period longer than five years.
All obligations of the lessee under a lease suspended pursuant to the provisions of this section are suspended, including the payment of rentals and advance royalties. However, the lessee shall pay an annual rental of not less than sixty dollars per acre per year for each year of suspension.
SDCL 5-7-53