43 CFR § 3837.24 - What kind of evidence must I submit to BLM to show I have properly notified the delinquent co-claimant?

---
identifier: "/us/cfr/t43/s3837.24"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3837.24 - What kind of evidence must I submit to BLM to show I have properly notified the delinquent co-claimant?"
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3837.24"
section_name: "What kind of evidence must I submit to BLM to show I have properly notified the delinquent co-claimant?"
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3837"
part_name: "ACQUIRING A DELINQUENT CO-CLAIMANT'S INTERESTS IN A MINING CLAIM OR SITE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 2, 1201, 1457; 50 U.S.C. App. 501, 565; 30 U.S.C. 28."
regulatory_source: "68 FR 61078, Oct. 24, 2003, unless otherwise noted."
cfr_part: "3837"
---


# 3837.24 What kind of evidence must I submit to BLM to show I have properly notified the delinquent co-claimant?

(a) If you gave written notice to the delinquent co-claimant by personal service, you must sign and submit a notarized affidavit explaining how and when you delivered the written notice to the delinquent co-claimant.

(b) If you gave written notice to the delinquent co-claimant by mail, you must submit:

(1) A copy of the notice you mailed to the delinquent co-claimant; and

(2) A copy of the signed U.S. Postal Service return receipt from the registered or certified envelope in which you sent the notice to the delinquent co-claimant.

(c) If you published the notice in a newspaper, you must submit:

(1) A statement from the newspaper publisher or the publisher's authorized representative describing the publication, including the beginning and ending dates of publication;

(2) A printed copy of the published notice; and

(3) A notarized affidavit attesting that you conducted a diligent search for the delinquent co-claimant, you could not locate the delinquent co-claimant, and therefore notification by publication was necessary.