---
kind: "unit"
title: "8"
title_heading: "Aliens and Nationality"
key: "chI/subchC"
level: "subchap"
label: "Subchapter C"
heading: "Nationality Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/8/chI-subchC"
sections_count: 159
---

# Subchapter C — Nationality Regulations

Title 8 C.F.R. — Aliens and Nationality › Chapter I — Department of Homeland Security

## Contents

- [Part 301 — Nationals and Citizens of the United States at Birth](/cfr/8/chI-subchC-part301.md)
- [Part 306 — Special Classes of Persons Who May Be Naturalized: Virgin Islanders](/cfr/8/chI-subchC-part306.md)
- [Part 310 — Naturalization Authority](/cfr/8/chI-subchC-part310.md)
- [Part 312 — Educational Requirements for Naturalization](/cfr/8/chI-subchC-part312.md)
- [Part 313 — Membership in the Communist Party or Any Other Totalitarian Organizations](/cfr/8/chI-subchC-part313.md)
- [Part 315 — Persons Ineligible to Citizenship: Exemption from Military Service](/cfr/8/chI-subchC-part315.md)
- [Part 316 — General Requirements for Naturalization](/cfr/8/chI-subchC-part316.md)
- [Part 318 — Pending Removal Proceedings](/cfr/8/chI-subchC-part318.md)
- [Part 319 — Special Classes of Persons Who May Be Naturalized: Spouses of United States Citizens](/cfr/8/chI-subchC-part319.md)
- [Part 320 — Child Born Outside the United States and Residing Permanently in the United States; Requirements for Automatic Acquisition of Citizenship](/cfr/8/chI-subchC-part320.md)
- [Part 322 — Child Born Outside the United States; Requirements for Application for Certificate of Citizenship](/cfr/8/chI-subchC-part322.md)
- [Part 324 — Special Classes of Persons Who May Be Naturalized: Women Who Have Lost United States Citizenship by Marriage and Former Citizens Whose Naturalization Is Authorized by Private Law](/cfr/8/chI-subchC-part324.md)
- [Part 325 — Nationals but Not Citizens of the United States; Residence Within Outlying Possessions](/cfr/8/chI-subchC-part325.md)
- [Part 327 — Special Classes of Persons Who May Be Naturalized: Persons Who Lost United States Citizenship Through Service in Armed Forces of Foreign Country During World War Ii](/cfr/8/chI-subchC-part327.md)
- [Part 328 — Special Classes of Persons Who May Be Naturalized: Persons with 1 Year of Service in the United States Armed Forces](/cfr/8/chI-subchC-part328.md)
- [Part 329 — Special Classes of Persons Who May Be Naturalized: Persons with Active Duty or Certain Ready Reserve Service in the United States Armed Forces During Specified Periods of Hostilities](/cfr/8/chI-subchC-part329.md)
- [Part 330 — Special Classes of Persons Who May Be Naturalized: Seamen](/cfr/8/chI-subchC-part330.md)
- [Part 331 — Alien Enemies; Naturalization under Specified Conditions and Procedures](/cfr/8/chI-subchC-part331.md)
- [Part 332 — Naturalization Administration](/cfr/8/chI-subchC-part332.md)
- [Part 333 — Photographs](/cfr/8/chI-subchC-part333.md)
- [Part 334 — Application for Naturalization](/cfr/8/chI-subchC-part334.md)
- [Part 335 — Examination on Application for Naturalization](/cfr/8/chI-subchC-part335.md)
- [Part 336 — Hearings on Denials of Applications for Naturalization](/cfr/8/chI-subchC-part336.md)
- [Part 337 — Oath of Allegiance](/cfr/8/chI-subchC-part337.md)
- [Part 338 — Certificate of Naturalization](/cfr/8/chI-subchC-part338.md)
- [Part 339 — Functions and Duties of Clerks of Court Regarding Naturalization Proceedings](/cfr/8/chI-subchC-part339.md)
- [Part 340 — Revocation of Naturalization](/cfr/8/chI-subchC-part340.md)
- [Part 341 — Certificates of Citizenship](/cfr/8/chI-subchC-part341.md)
- [Part 342 — Administrative Cancellation of Certificates, Documents, or Records](/cfr/8/chI-subchC-part342.md)
- [Part 343 — Certificate of Naturalization or Repatriation; Persons Who Resumed Citizenship under Section 323 of the Nationality Act of 1940, as Amended, or Section 4 of the Act of June 29, 1906](/cfr/8/chI-subchC-part343.md)
- [Part 343a — Naturalization and Citizenship Papers Lost, Mutilated, or Destroyed; New Certificate in Changed Name; Certified Copy of Repatriation Proceedings](/cfr/8/chI-subchC-part343a.md)
- [Part 343b — Special Certificate of Naturalization for Recognition by a Foreign State](/cfr/8/chI-subchC-part343b.md)
- [Part 343c — Certifications from Records](/cfr/8/chI-subchC-part343c.md)
- [Part 349 — Loss of Nationality](/cfr/8/chI-subchC-part349.md)
- [Part 392 — Special Classes of Persons Who May Be Naturalized: Persons Who Die While Serving on Active Duty with the United States Armed Forces During Certain Periods of Hostilities](/cfr/8/chI-subchC-part392.md)
- [Part 393-499 — Parts 393-499 [reserved]](/cfr/8/chI-subchC-part393-499.md)