---
kind: "unit"
title: "43"
title_heading: "Public Lands: Interior"
key: "subtA/part21"
level: "part"
label: "Part 21"
heading: "Occupancy of Cabin Sites on Public Conservation and Recreation Areas"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/43/subtA-part21"
sections_count: 8
---

# Part 21 — Occupancy of Cabin Sites on Public Conservation and Recreation Areas

Title 43 C.F.R. — Public Lands: Interior › Subtitle A — Office of the Secretary of the Interior

## Sections

- [§21.1. Purpose.](/cfr/43/21.1.md)
- [§21.2. Scope of regulations.](/cfr/43/21.2.md)
- [§21.3. Definitions.](/cfr/43/21.3.md)
- [§21.4. Occupancy under permit of privately owned cabins on recreation areas and conservation areas.](/cfr/43/21.4.md)
- [§21.5. Occupancy under permit of Government-owned cabins on public recreation and conservation areas.](/cfr/43/21.5.md)
- [§21.6. Cabin site occupancy where a recreation or conservation area has been leased to, or turned over to, another Federal or non-Federal public agency for administration.](/cfr/43/21.6.md)
- [§21.7. Occupancy by trespassers.](/cfr/43/21.7.md)
- [§21.8. Appeals.](/cfr/43/21.8.md)