Regulations last checked for updates: Apr 29, 2026

Title 43 - Public Lands: Interior last revised: Jan 01, 1900
All TitlesTitle 43Chapter IIPart 3920Subpart 3926 - Subpart 3926—Conversion of Preference Right for Research, Development, and Demonstration (R, D and D) Leases
authority: 30 U.S.C. 241(a), 42 U.S.C. 15927,43.S.C. 1732(b) and 1740
source: 73 FR 69477, Nov. 18, 2008, unless otherwise noted.
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