US lawFederal (United States)RegulationsTitle 10 CFR — EnergyChapter II — DEPARTMENT OF ENERGYPart 221 — PRIORITY SUPPLY OF CRUDE OIL AND PETROLEUM PRODUCTS TO THE DEPARTMENT OF DEFENSE UNDER THE DEFENSE PRODUCTION ACTSubpart B — Exclusions221.1110 C.F.R. § 221.11Natural gas and ethane.Last amended: 2016Year: 2026Length: 12 wordsOfficial source Cite as 10 C.F.R. § 221.11 (2026)The supply of natural gas and ethane are excluded from this part.