Regulations last checked for updates: Feb 11, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 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.

source: 89 FR 30966, Apr. 23, 2024, unless otherwise noted.
cite as: 43 CFR 3107.52