Regulations last checked for updates: Feb 12, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
§ 3515.23 - May BLM require me to submit additional information?

Yes. You must be willing to provide geologic and economic data we need to determine the fair market value of your preference right or lease to be relinquished.

source: 64 FR 53536, Oct. 1, 1999, unless otherwise noted.
cite as: 43 CFR 3515.23