StacksVerified U.S. regulatory reference

43 CFR §3107.52

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
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.