CFR›Title 43›Subtitle B›Chapter II›Part 3140›Subpart 3141›Subject Group Leasing Procedures ContainsSections § 3141.51–§ 3141.55CorpusDaily eCFRDisplayed edition2026-10-22Last updated2026-10-22 Sections § 3141.51 § 3141.51 Economic evaluation. § 3141.52 § 3141.52 Term of lease. § 3141.53 § 3141.53 Royalties and rentals. § 3141.54 § 3141.54 Lease size. § 3141.55 § 3141.55 Dating of lease.