43 C.F.R. § 3509.15 Do I have to pay for a future interest lease?
Title 43 - Public Lands: Interior
You must pay fair market value for the mineral deposit when title vests in the United States. You also will be required to pay royalty on your production.
Title 43: Public Lands: Interior
PART 3500—LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE
Subpart 3509—Fractional and Future Interest Lease Applications
§ 3509.15 Do I have to pay for a future interest lease?

