StacksVerified U.S. regulatory reference

43 CFR §3141.52

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Oil and gas leases in special tar sand areas will have a primary term of 10 years and will remain in effect so long thereafter as oil or gas is produced in paying quantities.
  2. (b)Tar Sand leases will have a primary term of 10 years and will remain in effect so long thereafter as tar sand is produced in paying quantities.