SubChapter A - General Provisions

Part 1 - Definitions

Part 2 - Authority of the Secretary of Homeland Security

Part 3 - Executive Office for Immigration Review

SubChapter B—Immigration Regulations

Part 100 - Statement of Organization

Part 101 - Presumption of Lawful Admission

Part 103 - Immigration Benefit Requests; USCIS Filing Requirements; Biometric Requirements; Availability of Records

Part 106 - USCIS Fee Schedule

Part 109 - [Reserved]

Part 204 - Immigrant Petitions

Part 205 - Revocation of Approval of Petitions

Part 207 - Admission of Refugees

Part 208 - Procedures for Asylum and Withholding of Removal

Part 209 - Adjustment of Status of Refugees and Aliens Granted Asylum

Part 210 - Special Agricultural Workers

Part 211 - Documentary Requirements: Immigrants; Waivers

Part 212 - Documentary Requirements: Nonimmigrants; Waivers; Admission of Certain Inadmissible Aliens; Parole

Part 213 - Admission of Aliens on Giving Bond or Cash Deposit

Part 214 - Nonimmigrant Classes

Part 215 - Controls of Aliens Departing from the United States; Electronic Visa Update System

Part 216 - Conditional Basis of Lawful Permanent Residence Status

Part 217 - Visa Waiver Program

Part 221 - Admission of Visitors or Students

Part 223 - Reentry Permits, Refugee Travel Documents, and Advance Parole Documents

Part 231 - Arrival and Departure Manifests

Part 232 - Detention of Aliens for Physical and Mental Examination

Part 233 - Contracts With Transportation Lines

Part 234 - Designation of Ports of Entry for Aliens Arriving by Civil Aircraft

Part 235 - Inspection of Persons Applying for Admission

Part 236 - Apprehension and Detention of Inadmissible and Deportable Aliens; Removal of Aliens Ordered Removed

Part 237 - [Reserved]

Part 238 - Expedited Removal of Aggravated Felons

Part 239 - Initiation of Removal Proceedings

Part 240 - Voluntary Departure, Suspension of Deportation and Special Rule Cancellation of Removal

Part 241 - Apprehension and Detention of Aliens Ordered Removed

Part 244 - Temporary Protected Status for Nationals of Designated States

Part 245 - Adjustment of Status to That of Person Admitted for Permanent Residence

Part 246 - Rescission of Adjustment of Status

Part 247 - Adjustment of Status of Certain Resident Aliens

Part 248 - Change of Nonimmigrant Classification

Part 249 - Creation of Records of Lawful Admission for Permanent Residence

Part 250 - Removal of Aliens Who Have Fallen Into Distress

Part 251 - Arrival and Departure Manifests and Lists: Supporting Documents

Part 252 - Landing of Alien Crewmen

Part 253 - Parole of Alien Crewmen

Part 258 - Limitations on Performance of Longshore Work by Alien Crewmen

Part 264 - Registration and Fingerprinting of Aliens in the United States

Part 265 - Notices of Address

Part 270 - Penalties for Document Fraud

Part 271 - Diligent and Reasonable Efforts to Prevent the Unauthorized Entry of Aliens by the Owners of Railroad Lines, International Bridges or Toll Roads

Part 273 - Carrier Responsibilities at Foreign Ports of Embarkation; Reducing, Refunding, or Waiving Fines Under Section 273 of the Act

Part 274 - Seizure and Forfeiture of Conveyances

Part 280 - Imposition and Collection of Fines

Part 286 - Immigration User Fee

Part 287 - Field Officers; Powers and Duties

Part 289 - American Indians Born in Canada

Part 292 - Representation and Appearances

Part 293 - Deposit of and Interest on Cash Received to Secure Immigration Bonds

Part 299 - Immigration Forms

Parts 242--243 - [Reserved]

Part 213a - Affidavits of Support on Behalf of Immigrants

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

Part 274a - Control of Employment of Aliens

SubChapter C - Nationality Regulations

Part 301 - Nationals and Citizens of the United States at Birth

Part 306 - Special Classes of Persons Who May Be Naturalized: Virgin Islanders

Part 310 - Naturalization Authority

Part 312 - Educational Requirements for Naturalization

Part 313 - Membership in the Communist Party or Any Other Totalitarian Organizations

Part 315 - Persons Ineligible to Citizenship: Exemption from Military Service

Part 316 - General Requirements for Naturalization

Part 318 - Pending Removal Proceedings

Part 319 - Special Classes of Persons Who May Be Naturalized: Spouses of United States Citizens

Part 320 - Child Born Outside the United States and Residing Permanently in the United States; Requirements for Automatic Acquisition of Citizenship

Part 322 - Child Born Outside the United States; Requirements for Application for Certificate of Citizenship

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

Part 325 - Nationals but Not Citizens of the United States; Residence Within Outlying Possessions

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

Part 328 - Special Classes of Persons Who May Be Naturalized: Persons With 1 Year of Service in the United States Armed Forces

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

Part 330 - Special Classes of Persons Who May Be Naturalized: Seamen

Part 331 - Alien Enemies; Naturalization Under Specified Conditions and Procedures

Part 332 - Naturalization Administration

Part 333 - Photographs

Part 334 - Application for Naturalization

Part 335 - Examination on Application for Naturalization

Part 336 - Hearings on Denials of Applications for Naturalization

Part 337 - Oath of Allegiance

Part 338 - Certificate of Naturalization

Part 339 - Functions and Duties of Clerks of Court Regarding Naturalization Proceedings

Part 340 - Revocation of Naturalization

Part 341 - Certificates of Citizenship

Part 342 - Administrative Cancellation of Certificates, Documents, or Records

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

Part 349 - Loss of Nationality

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

Part 499 - NATIONALITY FORMS

Part 507 - ALIEN TERRORIST REMOVAL PROCEDURES

Parts 393--499 - [Reserved]

Part 343a - Naturalization and Citizenship Papers Lost, Mutilated, or Destroyed; New Certificate in Changed Name; Certified Copy of Repatriation Proceedings

Part 343b - Special Certificate of Naturalization for Recognition by a Foreign State

Part 343c - Certifications from Records