---
kind: "unit"
title: "43"
title_heading: "Public Lands: Interior"
key: "subtB/chII/subchC/part3930/subpart3934"
level: "subpart"
label: "Subpart 3934"
heading: "Relinquishments, Cancellations, and Terminations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/43/subtB-chII-subchC-part3930-subpart3934"
sections_count: 6
---

# Subpart 3934 — Relinquishments, Cancellations, and Terminations

Title 43 C.F.R. — Public Lands: Interior › Subtitle B — Regulations Relating to Public Lands › Chapter II — Bureau of Land Management, Department of the Interior › Subchapter C — Minerals Management (3000) › Part 3930 — Management of Oil Shale Exploration and Leases

## Sections

- [§3934.10. Relinquishments.](/cfr/43/3934.10.md)
- [§3934.21. Written notice of default.](/cfr/43/3934.21.md)
- [§3934.22. Causes and procedures for lease cancellation.](/cfr/43/3934.22.md)
- [§3934.30. License terminations.](/cfr/43/3934.30.md)
- [§3934.40. Payments due.](/cfr/43/3934.40.md)
- [§3934.50. Bona fide purchasers.](/cfr/43/3934.50.md)