Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3106.7–6 If I acquire a lease by an assignment or transfer, what obligations do I agree to assume?

(a) If you acquire record title interest in a Federal lease, you agree to comply with the terms of the original lease during your lease tenure. You assume the responsibility to plug and abandon all wells which are no longer capable of producing, reclaim the lease site, and remedy all environmental problems in existence and that a purchaser exercising reasonable diligence should have known at the time. You must also maintain an adequate bond to ensure performance of these responsibilities.

(b) If you acquire operating rights in a Federal lease, you agree to comply with the terms of the original lease as it applies to the area or horizons in which you acquired rights. You must plug and abandon all unplugged wells, reclaim the lease site, and remedy all environmental problems in existence and that a purchaser exercising reasonable diligence should have known at the time you receive the transfer. You must also maintain an adequate bond to ensure performance of these responsibilities.