---
kind: "unit"
title: "36"
title_heading: "Parks, Forests, and Public Property"
key: "chV/part520"
level: "part"
label: "Part 520"
heading: "Rules and Regulations Governing the Buildings and Grounds of the National Zoological Park of the Smithsonian Institution"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/36/chV-part520"
sections_count: 18
---

# Part 520 — Rules and Regulations Governing the Buildings and Grounds of the National Zoological Park of the Smithsonian Institution

Title 36 C.F.R. — Parks, Forests, and Public Property › Chapter V — Smithsonian Institution

## Sections

- [§520.1. General.](/cfr/36/520.1.md)
- [§520.2. Recording presence.](/cfr/36/520.2.md)
- [§520.3. Preservation of property.](/cfr/36/520.3.md)
- [§520.4. Protection of zoo animals.](/cfr/36/520.4.md)
- [§520.5. Conformity with signs and emergency directions.](/cfr/36/520.5.md)
- [§520.6. Nuisances.](/cfr/36/520.6.md)
- [§520.7. Gambling.](/cfr/36/520.7.md)
- [§520.8. Intoxicating beverages and narcotics.](/cfr/36/520.8.md)
- [§520.9. Soliciting, vending, debt collection, and distribution of handbills.](/cfr/36/520.9.md)
- [§520.10. Placards, signs, banners, and flags.](/cfr/36/520.10.md)
- [§520.11. Dogs and other animals.](/cfr/36/520.11.md)
- [§520.12. Photographs for news, advertising, or commercial purposes.](/cfr/36/520.12.md)
- [§520.13. Items to be checked.](/cfr/36/520.13.md)
- [§520.14. Vehicular and pedestrian traffic.](/cfr/36/520.14.md)
- [§520.15. Weapons and explosives.](/cfr/36/520.15.md)
- [§520.16. Nondiscrimination.](/cfr/36/520.16.md)
- [§520.17. Lost and found.](/cfr/36/520.17.md)
- [§520.18. Penalties.](/cfr/36/520.18.md)