43 C.F.R. § 3140.5 Duration of the lease.
Title 43 - Public Lands: Interior
A combined hydrocarbon lease shall be for a primary term of 10 years and for so long thereafter as oil or gas is produced in paying quantities.
Title 43: Public Lands: Interior
PART 3140—LEASING IN SPECIAL TAR SAND AREAS
Subpart 3140—Conversion of Existing Oil and Gas Leases and Valid Claims Based on Mineral Locations
§ 3140.5 Duration of the lease.
