CFR›Title 43›Subtitle B›Chapter II›Part 3140›Subpart 3141›Subject Group Leasing Procedures ContainsSections 3141.51–3141.55CorpusDaily eCFRDisplayed edition2026-07-14Last updated2026-07-14 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. Previous Consultation Consultation Next Prelease Exploration Within Special Tar Sand Areas Prelease Exploration Within Special Tar Sand Areas