---
kind: "unit"
title: "8"
title_heading: "Aliens and Nationality"
key: "chI/subchB"
level: "subchap"
label: "Subchapter B"
heading: "Immigration Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/8/chI-subchB"
sections_count: 495
---

# Subchapter B — Immigration Regulations

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

## Contents

- [Part 100 — Statement of Organization](/cfr/8/chI-subchB-part100.md)
- [Part 101 — Presumption of Lawful Admission](/cfr/8/chI-subchB-part101.md)
- [Part 103 — Immigration Benefit Requests; Uscis Filing Requirements; Biometric Requirements; Availability of Records](/cfr/8/chI-subchB-part103.md)
- [Part 106 — Uscis Fee Schedule](/cfr/8/chI-subchB-part106.md)
- [Part 109 — Part 109 [reserved]](/cfr/8/chI-subchB-part109.md)
- [Part 204 — Immigrant Petitions](/cfr/8/chI-subchB-part204.md)
- [Part 205 — Revocation of Approval of Petitions](/cfr/8/chI-subchB-part205.md)
- [Part 207 — Admission of Refugees](/cfr/8/chI-subchB-part207.md)
- [Part 208 — Procedures for Asylum and Withholding of Removal](/cfr/8/chI-subchB-part208.md)
- [Part 209 — Adjustment of Status of Refugees and Aliens Granted Asylum](/cfr/8/chI-subchB-part209.md)
- [Part 210 — Special Agricultural Workers](/cfr/8/chI-subchB-part210.md)
- [Part 211 — Documentary Requirements: Immigrants; Waivers](/cfr/8/chI-subchB-part211.md)
- [Part 212 — Documentary Requirements: Nonimmigrants; Waivers; Admission of Certain Inadmissible Aliens; Parole](/cfr/8/chI-subchB-part212.md)
- [Part 213 — Admission of Aliens on Giving Bond or Cash Deposit](/cfr/8/chI-subchB-part213.md)
- [Part 213a — Affidavits of Support on Behalf of Immigrants](/cfr/8/chI-subchB-part213a.md)
- [Part 214 — Nonimmigrant Classes](/cfr/8/chI-subchB-part214.md)
- [Part 215 — Controls of Aliens Departing from the United States; Electronic Visa Update System](/cfr/8/chI-subchB-part215.md)
- [Part 216 — Conditional Basis of Lawful Permanent Residence Status](/cfr/8/chI-subchB-part216.md)
- [Part 217 — Visa Waiver Program](/cfr/8/chI-subchB-part217.md)
- [Part 221 — Admission of Visitors or Students](/cfr/8/chI-subchB-part221.md)
- [Part 223 — Reentry Permits, Refugee Travel Documents, and Advance Parole Documents](/cfr/8/chI-subchB-part223.md)
- [Part 231 — Arrival and Departure Manifests](/cfr/8/chI-subchB-part231.md)
- [Part 232 — Detention of Aliens for Physical and Mental Examination](/cfr/8/chI-subchB-part232.md)
- [Part 233 — Contracts with Transportation Lines](/cfr/8/chI-subchB-part233.md)
- [Part 234 — Designation of Ports of Entry for Aliens Arriving by Civil Aircraft](/cfr/8/chI-subchB-part234.md)
- [Part 235 — Inspection of Persons Applying for Admission](/cfr/8/chI-subchB-part235.md)
- [Part 236 — Apprehension and Detention of Inadmissible and Deportable Aliens; Removal of Aliens Ordered Removed](/cfr/8/chI-subchB-part236.md)
- [Part 237 — Part 237 [reserved]](/cfr/8/chI-subchB-part237.md)
- [Part 238 — Expedited Removal of Aggravated Felons](/cfr/8/chI-subchB-part238.md)
- [Part 239 — Initiation of Removal Proceedings](/cfr/8/chI-subchB-part239.md)
- [Part 240 — Voluntary Departure, Suspension of Deportation and Special Rule Cancellation of Removal](/cfr/8/chI-subchB-part240.md)
- [Part 241 — Apprehension and Detention of Aliens Ordered Removed](/cfr/8/chI-subchB-part241.md)
- [Part 242-243 — Parts 242-243 [reserved]](/cfr/8/chI-subchB-part242-243.md)
- [Part 244 — Temporary Protected Status for Nationals of Designated States](/cfr/8/chI-subchB-part244.md)
- [Part 245 — Adjustment of Status to That of Person Admitted for Permanent Residence](/cfr/8/chI-subchB-part245.md)
- [Part 245a — Adjustment of Status to That of Persons Admitted for Temporary or Permanent Resident Status under Section 245a of the Immigration and Nationality Act](/cfr/8/chI-subchB-part245a.md)
- [Part 246 — Rescission of Adjustment of Status](/cfr/8/chI-subchB-part246.md)
- [Part 247 — Adjustment of Status of Certain Resident Aliens](/cfr/8/chI-subchB-part247.md)
- [Part 248 — Change of Nonimmigrant Classification](/cfr/8/chI-subchB-part248.md)
- [Part 249 — Creation of Records of Lawful Admission for Permanent Residence](/cfr/8/chI-subchB-part249.md)
- [Part 250 — Removal of Aliens Who Have Fallen into Distress](/cfr/8/chI-subchB-part250.md)
- [Part 251 — Arrival and Departure Manifests and Lists: Supporting Documents](/cfr/8/chI-subchB-part251.md)
- [Part 252 — Landing of Alien Crewmen](/cfr/8/chI-subchB-part252.md)
- [Part 253 — Parole of Alien Crewmen](/cfr/8/chI-subchB-part253.md)
- [Part 258 — Limitations on Performance of Longshore Work by Alien Crewmen](/cfr/8/chI-subchB-part258.md)
- [Part 264 — Registration and Fingerprinting of Aliens in the United States](/cfr/8/chI-subchB-part264.md)
- [Part 265 — Notices of Address](/cfr/8/chI-subchB-part265.md)
- [Part 270 — Penalties for Document Fraud](/cfr/8/chI-subchB-part270.md)
- [Part 271 — Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads](/cfr/8/chI-subchB-part271.md)
- [Part 273 — Carrier Responsibilities at Foreign Ports of Embarkation; Reducing, Refunding, or Waiving Fines under Section 273 of the Act](/cfr/8/chI-subchB-part273.md)
- [Part 274 — Seizure and Forfeiture of Conveyances](/cfr/8/chI-subchB-part274.md)
- [Part 274a — Control of Employment of Aliens](/cfr/8/chI-subchB-part274a.md)
- [Part 280 — Imposition and Collection of Fines](/cfr/8/chI-subchB-part280.md)
- [Part 281 — IMPOSITION AND COLLECTION OF PENALTIES UNDER SECTIONS 240B(d), 274D(a)(1), and 275(b) OF THE ACT](/cfr/8/chI-subchB-part281.md)
- [Part 286 — Immigration User Fee](/cfr/8/chI-subchB-part286.md)
- [Part 287 — Field Officers; Powers and Duties](/cfr/8/chI-subchB-part287.md)
- [Part 289 — American Indians Born in Canada](/cfr/8/chI-subchB-part289.md)
- [Part 292 — Representation and Appearances](/cfr/8/chI-subchB-part292.md)
- [Part 293 — Deposit of and Interest on Cash Received to Secure Immigration Bonds](/cfr/8/chI-subchB-part293.md)
- [Part 299 — Immigration Forms](/cfr/8/chI-subchB-part299.md)