25 C.F.R. § 227.14 Government reserves right to purchase oil and gas.
Title 25 - Indians
In time of war or other public emergency any of the executive departments of the United States Government shall have the option to purchase at the posted market price on the date of sale all or any part of the minerals produced under any lease.
Title 25: Indians
PART 227—LEASING OF CERTAIN LANDS IN WIND RIVER INDIAN RESERVATION, WYOMING, FOR OIL AND GAS MINING
How To Acquire Leases
§ 227.14 Government reserves right to purchase oil and gas.

