CFR›Title 43›Subtitle B›Chapter II›Part 3500›Subpart 3506 ContainsSubject groups Applying for and Obtaining Exploration Licenses–Terms; ModificationsCorpusDaily eCFRDisplayed edition2026-10-27Last updated2026-10-27 Subpart 3506—Exploration Licenses Subject Groups Applying for and Obtaining Exploration Licenses Applying for and Obtaining Exploration Licenses Sections 3506.11–3506.15 General Information General Information Section 3506.10 Terms; Modifications Terms; Modifications Sections 3506.20–3506.25 Previous 3505 Subpart 3505—Prospecting Permits Next 3507 Subpart 3507—Preference Right Lease Applications