CFR›Title 43›Subtitle B›Chapter II›43 CFR Part 3430 Citation43 CFR Part 3430ContainsSubparts Subpart 3430–Subpart 3436CorpusDaily eCFRDisplayed edition2026-10-02Last updated2026-10-02 PART 3430—NONCOMPETITIVE LEASES Subparts Subpart 3430 Subpart 3430—Preference Right Leases Subpart 3431 Subpart 3431—Negotiated Sales: Rights-of-Way Subpart 3432 Subpart 3432—Lease Modifications Subpart 3435 Subpart 3435—Lease Exchange Subpart 3436 Subpart 3436—Coal Lease and Coal Land Exchanges: Alluvial Valley Floors Authority30 U.S.C. 181 et seq.; 30 U.S.C. 351-359; 30 U.S.C. 521-531; 30 U.S.C. 1201 et seq.; and 43 U.S.C. 1701 et seq.Source44 FR 42628, July 19, 1979, unless otherwise noted.