43 C.F.R. § 3514.25 When does my lease expire?
Title 43 - Public Lands: Interior
(a) Sodium, sulphur, asphalt, and hardrock mineral leases expire at the end of the lease term. If you file a timely application for lease renewal under §3511.27 of this part, your lease expires on the expiration date or the date BLM rejected your application, whichever is later. (b) Potassium, phosphate and gilsonite leases continue for so long as you comply with the lease terms and conditions which are subject to periodic readjustment. (c) For more information, see §3511.15 of this part.
Title 43: Public Lands: Interior
PART 3500—LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE
Subpart 3514—Lease Relinquishments and Cancellations
Cancellations, Forfeitures, and Other Situations
§ 3514.25 When does my lease expire?
