43 CFR § 3475.5 - Diligent development and continued operation.

---
identifier: "/us/cfr/t43/s3475.5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3475.5 - Diligent development and continued operation."
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3475.5"
section_name: "Diligent development and continued operation."
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3470"
part_name: "COAL MANAGEMENT PROVISIONS AND LIMITATIONS"
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. 189 and 359; and 43 U.S.C. 1701"
regulatory_source: "44 FR 42643, July 19, 1979, unless otherwise noted."
cfr_part: "3470"
---


# 3475.5 Diligent development and continued operation.

In accordance with part 3480 of this title, each lease shall require:

(a) Diligent development; and

(b) Either (1) continued operation except when operations under the lease are interrupted by strikes, the elements or casualties not attributable to the lessee, or (2) in lieu thereof, when the Secretary determines that the public interest will be served, payment of an advanced royalty.

[47 FR 33151, July 30, 1982, as amended at 50 FR 8627, Mar. 4, 1985]