43 CFR § 3514.40
What if I am a bona fide purchaser and my lease is subject to cancellation?
June 11, 2020
(a) If you are a bona fide purchaser, BLM will not cancel your lease or your interest in a lease based on your predecessor's actions. However, you must be sure that the lease is in compliance with the terms and conditions required by BLM.
(b) BLM will promptly take action to dismiss any party who shows they are a bona fide purchaser from any legal proceedings to cancel the lease.