Regulations last checked for updates: Feb 11, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
§ 3585.5-4 - Notice of exploration.

Applicants for exploration licenses shall publish a Notice of Exploration inviting other parties to participate in exploration under license on a pro rata cost sharing basis.

source: 51 FR 15256, Apr. 22, 1986, unless otherwise noted.
cite as: 43 CFR 3585.5-4