30 CFR 800.20 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 700.1 To Parts 1291-1299) — Office Of Surface Mining Reclamation And Enforcement, Department Of The Interior (§ 700.1 To Parts 956-999) — Bonding And Insurance Requirements For Surface Coal Mining And Reclamation Operations (§ 800.1 To § 800.70) — Bond And Insurance Requirements For Surface Coal Mining And Reclamation Operations Under Regulatory Programs (§ 800.1 To § 800.70) — Surety bonds.

(a) A surety bond shall be executed by the operator and a corporate surety licensed to do business in the State where the operation is located.

(b) Surety bonds shall be noncancellable during their terms, except that surety bond coverage for lands not disturbed may be cancelled with the prior consent of the regulatory authority. The regulatory authority shall advise the surety, within 30 days after receipt of a notice to cancel bond, whether the bond may be cancelled on an undisturbed area.