---
kind: "unit"
title: "31"
title_heading: "Money and Finance: Treasury"
key: "subtB/chVIII/part800"
level: "part"
label: "Part 800"
heading: "Regulations Pertaining to Certain Investments in the United States by Foreign Persons"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/31/subtB-chVIII-part800"
sections_count: 104
---

# Part 800 — Regulations Pertaining to Certain Investments in the United States by Foreign Persons

Title 31 C.F.R. — Money and Finance: Treasury › Subtitle B — Regulations Relating to Money and Finance › Chapter VIII — Office of Investment Security, Department of the Treasury

## Contents

- [Subpart A — General](/cfr/31/subtB-chVIII-part800-subpartA.md)
- [Subpart B — Definitions](/cfr/31/subtB-chVIII-part800-subpartB.md)
- [Subpart C — Coverage](/cfr/31/subtB-chVIII-part800-subpartC.md)
- [Subpart D — Declarations](/cfr/31/subtB-chVIII-part800-subpartD.md)
- [Subpart E — Notices](/cfr/31/subtB-chVIII-part800-subpartE.md)
- [Subpart F — Committee Procedures](/cfr/31/subtB-chVIII-part800-subpartF.md)
- [Subpart G — Finality of Action](/cfr/31/subtB-chVIII-part800-subpartG.md)
- [Subpart H — Provision and Handling of Information](/cfr/31/subtB-chVIII-part800-subpartH.md)
- [Subpart I — Penalties and Damages](/cfr/31/subtB-chVIII-part800-subpartI.md)
- [Subpart J — Foreign National Security Investment Review Regimes](/cfr/31/subtB-chVIII-part800-subpartJ.md)
- [Subpart K — Filing Fees](/cfr/31/subtB-chVIII-part800-subpartK.md)