StacksVerified U.S. regulatory reference

43 CFR §3141.51

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Prior to any lease sale for a combined hydrocarbon lease, the authorized officer will request an economic evaluation of the total hydrocarbon resource on each proposed lease tract exclusive of coal, oil shale, or gilsonite.