43 CFR § 3107.52
Undeveloped parts of leases in their extended term
August 12, 2025
§ 3107.52 Undeveloped parts of leases in their extended term.
Undeveloped parts of leases retained or assigned out of leases which are in their extended term will continue in effect for 2 years after the effective date of assignment, provided the parent lease was issued prior to September 2, 1960.