Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3837.30 Disputes about acquiring a delinquent co-claimant's interests

(a) The co-claimants must resolve the dispute, without BLM involvement, in a court of competent jurisdiction or proceeding as permitted within the state where the disputed claims are located.

(b) The co-claimants must file with BLM a certified copy of the judgment, decree, or settlement agreement resolving the dispute before BLM will update its records.