43 CFR 3213.13 - When does relinquishment take effect?
(b) Notwithstanding the relinquishment, you and your surety continue to be responsible for:
(1) Paying all rents and royalties due before the relinquishment was effective;
(2) Plugging and abandoning all wells on the relinquished land;
(3) Restoring and reclaiming the surface and other resources; and
(4) Complying with § 3200.4.