Regulations last checked for updates: Feb 12, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
§ 3509.20 - When does my future interest lease take effect?

Your future interest lease will be effective on the date the minerals vest in the United States, as stated in the lease.

source: 64 FR 53536, Oct. 1, 1999, unless otherwise noted.
cite as: 43 CFR 3509.20