43 CFR § 3927.40 - Effective date of leases.

---
identifier: "/us/cfr/t43/s3927.40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3927.40 - Effective date of leases."
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3927.40"
section_name: "Effective date of leases."
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3920"
part_name: "OIL SHALE LEASING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 241(a), 42 U.S.C. 15927, 43 U.S.C. 1732(b) and 1740."
regulatory_source: "73 FR 69477, Nov. 18, 2008, unless otherwise noted."
cfr_part: "3920"
---


# 3927.40 Effective date of leases.

Leases are dated and effective the first day of the month following the date the BLM signs it. However, upon receiving a prior written request, the BLM may make the effective date of the lease the first day of the month in which the BLM signs it.