---
kind: "unit"
title: "10"
title_heading: "Energy"
key: "chI/part73"
level: "part"
label: "Part 73"
heading: "Physical Protection of Plants and Materials"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/10/chI-part73"
sections_count: 51
---

# Part 73 — Physical Protection of Plants and Materials

Title 10 C.F.R. — Energy › Chapter I — Nuclear Regulatory Commission

## Contents

- [Subpart A — General Provisions](/cfr/10/chI-part73-subpartA.md)
- [Subpart B — Enhanced Weapons, Preemption, and Firearms Background Checks](/cfr/10/chI-part73-subpartB.md)
- [Subpart C — General Performance Objective for Protection of Strategic Special Nuclear Material](/cfr/10/chI-part73-subpartC.md)
- [Subpart D — Protection of Safeguards Information](/cfr/10/chI-part73-subpartD.md)
- [Subpart E — Physical Protection Requirements of Special Nuclear Material and Spent Nuclear Fuel in Transit](/cfr/10/chI-part73-subpartE.md)
- [Subpart F — Physical Protection Requirements at Fixed Sites](/cfr/10/chI-part73-subpartF.md)
- [Subpart G — Access Authorization and Access Control Requirements for the Physical Protection of Special Nuclear Material](/cfr/10/chI-part73-subpartG.md)
- [Subpart H — Records and Postings](/cfr/10/chI-part73-subpartH.md)
- [Subpart I — Enforcement](/cfr/10/chI-part73-subpartI.md)
- [Subpart J — Security Requirements at Commercial Nuclear Plants](/cfr/10/chI-part73-subpartJ.md)
- [Subpart K-S — Subparts K-S [Reserved]](/cfr/10/chI-part73-subpartK-S.md)
- [Subpart T — Security Notifications, Reports, and Recordkeeping](/cfr/10/chI-part73-subpartT.md)