43 C.F.R. § 3141.52
Term of lease.
Cite as 43 C.F.R. § 3141.52 (2026)
(a) Oil and gas leases in special tar sand areas will have a primary term of 10 years and will remain in effect so long thereafter as oil or gas is produced in paying quantities.
(b) Tar Sand leases will have a primary term of 10 years and will remain in effect so long thereafter as tar sand is produced in paying quantities.