43 CFR § 3251.13 - Once I have an approved Notice of Intent, how can I change my exploration operations?

---
identifier: "/us/cfr/t43/s3251.13"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3251.13 - Once I have an approved Notice of Intent, how can I change my exploration operations?"
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3251.13"
section_name: "Once I have an approved Notice of Intent, how can I change my exploration operations?"
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3200"
part_name: "GEOTHERMAL RESOURCE LEASING"
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. 1001-1028; 43 U.S.C. 1701  and Pub. L. 109-58."
regulatory_source: "72 FR 24400, May 2, 2007, unless otherwise noted."
cfr_part: "3200"
---


# 3251.13 Once I have an approved Notice of Intent, how can I change my exploration operations?

Send BLM a complete and signed Form 3260-3, Geothermal Sundry Notice, which fully describes the requested changes. Do not proceed with the change in operations until you receive written approval from BLM.