43 CFR § 3836.11 - What are the general requirements for performing assessment work?

---
identifier: "/us/cfr/t43/s3836.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3836.11 - What are the general requirements for performing assessment work?"
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3836.11"
section_name: "What are the general requirements for performing assessment work?"
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3836"
part_name: "ANNUAL ASSESSMENT WORK REQUIREMENTS FOR MINING CLAIMS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 22, 28, 28b-28e; 43 U.S.C. 2, 1201, 1457, 1701  50 U.S.C. App. 501, 565."
regulatory_source: "68 FR 61077, Oct. 24, 2003, unless otherwise noted."
cfr_part: "3836"
---


# 3836.11 What are the general requirements for performing assessment work?

(a) Beginning in the assessment year that begins after you locate your mining claim, you must expend $100 in labor or improvements for each claim for each assessment year preceding the date on which you file for a small miner waiver.

(b) You may perform assessment work on:

(1) Each individual claim;

(2) One or more claims in a group of contiguous lode or placer claims that you own or hold an interest in and that cover the same mineral deposit; or

(3) Adjacent or nearby lands if the work supports development of the minerals on the claim(s).

(c) Your total expenditure must equal at least $100 per claim.