43 C.F.R. § 3210.15 Can I do something instead of performing diligent exploration?
Title 43 - Public Lands: Interior
If you choose not to conduct diligent exploration, or if your total expenditures do not fully meet the requirement for any lease year, you may still meet the diligent exploration requirement for that year by paying an additional rent of $3 per acre or fraction of an acre. If you choose this option, you must send your payment to MMS before the end of the lease year.
Title 43: Public Lands: Interior
PART 3200—GEOTHERMAL RESOURCE LEASING
Subpart 3210—Additional Lease Information
§ 3210.15 Can I do something instead of performing diligent exploration?