30 CFR 581.46 - Relinquishment of leases or parts of leases.
(a) A lease or any part thereof may be surrendered by the record title holder by filing a written relinquishment with the Director. A relinquishment shall take effect on the date it is filed subject to the continued obligation of the lessee and the surety to:
(1) Make all payments due, including any accrued rentals and royalties; and
(2) Abandon all operations, remove all facilities, and clear the land to be relinquished to the satisfaction of the Director.