{"data":{"id":"us/43-cfr-3837.11","jurisdiction":"us","citation":"43 CFR 3837.11","heading":"When may I acquire a delinquent co-claimant's interests in a mining claim or site?","body":"(a) You may acquire a co-claimant's interest in a mining claim or site under the following circumstances:\n(1) You are a co-claimant who has performed the assessment work, made improvements, or paid the maintenance fees required under parts 3834 and 3836 of this chapter;\n(2) Your co-claimant fails to contribute a proportionate share of the assessment work, expenditures, or maintenance fees by the end of the assessment year concerned;\n(3) You notify the delinquent co-claimant of the alleged delinquency as provided in § 3837.21; and\n(4) If, within 90 days following the date the delinquent co-claimant received the notice provided for under § 3837.21 or 90 days following the end of the publication period described in § 3837.21, the delinquent co-claimant fails or refuses to contribute a proportionate share of the assessment work, expenditures, or maintenance fees, the remaining co-claimants acquire the delinquent co-claimant's share in the mining claim or site.\n(b) You may not acquire a co-claimant's interest in a mining claim or site if the co-claimant is on active military duty.","path":["Title 43—Public Lands: Interior","Subtitle B—Regulations Relating to Public Lands","CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—MINERALS MANAGEMENT (3000)","PART 3837—ACQUIRING A DELINQUENT CO-CLAIMANT'S INTERESTS IN A MINING CLAIM OR SITE","Subpart A—Conditions for Acquiring a Delinquest Co-Claimant's Interests in a Mining Claim or Site"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-43.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:15Z","sha256":"d1d257b1966b502f6bec00c9f5f073c345affe0691f11c9d1d4230c857f818f1","source_id":"us-cfr","stale":true,"prev":"us/43-cfr-3837.10","next":"us/43-cfr-3837.20"},"notice":"GroundRules: Original legal text. Not legal advice."}