• Part 1 [§ 1.1 - § 1.4] - PART 1—DEFINITIONS

• Part 2 [§ 2.1 - § 2.1] - PART 2—AUTHORITY OF THE SECRETARY OF HOMELAND SECURITY

• Part 3 [§ 3.0 - § 3.0] - PART 3—EXECUTIVE OFFICE FOR IMMIGRATION REVIEW

• Part 100 [§ 100.1 - § 100.6] - PART 100—STATEMENT OF ORGANIZATION

• Part 101 [§ 101.1 - § 101.5] - PART 101—PRESUMPTION OF LAWFUL ADMISSION

• Part 103 [§ 103.1 - § 103.42] -

• Part 106 [§ 106.1 - § 106.6] - PART 106—USCIS FEE SCHEDULE

• Part 109 - PART 109 [RESERVED]

• Part 204 [§ 204.1 - § 204.314] - PART 204—IMMIGRANT PETITIONS

• Part 205 [§ 205.1 - § 205.2] - PART 205—REVOCATION OF APPROVAL OF PETITIONS

• Part 207 [§ 207.1 - § 207.9] - PART 207—ADMISSION OF REFUGEES

• Part 208 [§ 208.1 - § 208.35] - PART 208—PROCEDURES FOR ASYLUM AND WITHHOLDING OF REMOVAL

• Part 209 [§ 209.1 - § 209.2] - PART 209—ADJUSTMENT OF STATUS OF REFUGEES AND ALIENS GRANTED ASYLUM

• Part 210 [§ 210.1 - § 210.5] - PART 210—SPECIAL AGRICULTURAL WORKERS

• Part 211 [§ 211.1 - § 211.5] - PART 211—DOCUMENTARY REQUIREMENTS: IMMIGRANTS; WAIVERS

• Part 212 [§ 212.0 - § 212.23] - PART 212—DOCUMENTARY REQUIREMENTS: NONIMMIGRANTS; WAIVERS; ADMISSION OF CERTAIN INADMISSIBLE ALIENS; PAROLE

• Part 213 [§ 213.1 - § 213.1] - PART 213—ADMISSION OF ALIENS ON GIVING BOND OR CASH DEPOSIT

• Part 213a [§ 213a.1 - § 213a.5] - PART 213a—AFFIDAVITS OF SUPPORT ON BEHALF OF IMMIGRANTS

• Part 214 [§ 214.1 - § 214.216] - PART 214—NONIMMIGRANT CLASSES

• Part 215 [§ 215.1 - § 215.24] - PART 215—CONTROLS OF ALIENS DEPARTING FROM THE UNITED STATES; ELECTRONIC VISA UPDATE SYSTEM

• Part 216 [§ 216.1 - § 216.6] - PART 216—CONDITIONAL BASIS OF LAWFUL PERMANENT RESIDENCE STATUS

• Part 217 [§ 217.1 - § 217.7] - PART 217—VISA WAIVER PROGRAM

• Part 221 [§ 221.1 - § 221.1] - PART 221—ADMISSION OF VISITORS OR STUDENTS

• Part 223 [§ 223.1 - § 223.3] - PART 223—REENTRY PERMITS, REFUGEE TRAVEL DOCUMENTS, AND ADVANCE PAROLE DOCUMENTS

• Part 231 [§ 231.1 - § 231.3] - PART 231—ARRIVAL AND DEPARTURE MANIFESTS

• Part 232 [§ 232.1 - § 232.3] - PART 232—DETENTION OF ALIENS FOR PHYSICAL AND MENTAL EXAMINATION

• Part 233 [§ 233.1 - § 233.6] - PART 233—CONTRACTS WITH TRANSPORTATION LINES

• Part 234 [§ 234.1 - § 234.4] - PART 234—DESIGNATION OF PORTS OF ENTRY FOR ALIENS ARRIVING BY CIVIL AIRCRAFT

• Part 235 [§ 235.1 - § 235.15] - PART 235—INSPECTION OF PERSONS APPLYING FOR ADMISSION

• Part 236 [§ 236.1 - § 236.25] - PART 236—APPREHENSION AND DETENTION OF INADMISSIBLE AND DEPORTABLE ALIENS; REMOVAL OF ALIENS ORDERED REMOVED

• Part 237 - PART 237 [RESERVED]

• Part 238 [§ 238.1 - § 238.1] - PART 238—EXPEDITED REMOVAL OF AGGRAVATED FELONS

• Part 239 [§ 239.1 - § 239.3] - PART 239—INITIATION OF REMOVAL PROCEEDINGS

• Part 240 [§ 240.21 - § 240.70] - PART 240—VOLUNTARY DEPARTURE, SUSPENSION OF DEPORTATION AND SPECIAL RULE CANCELLATION OF REMOVAL

• Part 241 [§ 241.1 - § 241.33] - PART 241—APPREHENSION AND DETENTION OF ALIENS ORDERED REMOVED

• Part 242-243 - PARTS 242-243 [RESERVED]

• Part 244 [§ 244.1 - § 244.19] - PART 244—TEMPORARY PROTECTED STATUS FOR NATIONALS OF DESIGNATED STATES

• Part 245 [§ 245.1 - § 245.25] - PART 245—ADJUSTMENT OF STATUS TO THAT OF PERSON ADMITTED FOR PERMANENT RESIDENCE

• Part 245a [§ 245a.1 - § 245a.37] - 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 246 [§ 246.1 - § 246.9] - PART 246—RESCISSION OF ADJUSTMENT OF STATUS

• Part 247 [§ 247.1 - § 247.14] - PART 247—ADJUSTMENT OF STATUS OF CERTAIN RESIDENT ALIENS

• Part 248 [§ 248.1 - § 248.3] - PART 248—CHANGE OF NONIMMIGRANT CLASSIFICATION

• Part 249 [§ 249.1 - § 249.3] - PART 249—CREATION OF RECORDS OF LAWFUL ADMISSION FOR PERMANENT RESIDENCE

• Part 250 [§ 250.1 - § 250.2] - PART 250—REMOVAL OF ALIENS WHO HAVE FALLEN INTO DISTRESS

• Part 251 [§ 251.1 - § 251.6] - PART 251—ARRIVAL AND DEPARTURE MANIFESTS AND LISTS: SUPPORTING DOCUMENTS

• Part 252 [§ 252.1 - § 252.5] - PART 252—LANDING OF ALIEN CREWMEN

• Part 253 [§ 253.1 - § 253.2] - PART 253—PAROLE OF ALIEN CREWMEN

• Part 258 [§ 258.1 - § 258.4] - PART 258—LIMITATIONS ON PERFORMANCE OF LONGSHORE WORK BY ALIEN CREWMEN

• Part 264 [§ 264.1 - § 264.6] - PART 264—REGISTRATION AND FINGERPRINTING OF ALIENS IN THE UNITED STATES

• Part 265 [§ 265.1 - § 265.1] - PART 265—NOTICES OF ADDRESS

• Part 270 [§ 270.1 - § 270.3] - PART 270—PENALTIES FOR DOCUMENT FRAUD

• Part 271 [§ 271.1 - § 271.1] - 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 [§ 273.1 - § 273.6] - PART 273—CARRIER RESPONSIBILITIES AT FOREIGN PORTS OF EMBARKATION; REDUCING, REFUNDING, OR WAIVING FINES UNDER SECTION 273 OF THE ACT

• Part 274 [§ 274.1 - § 274.2] - PART 274—SEIZURE AND FORFEITURE OF CONVEYANCES

• Part 274a [§ 274a.1 - § 274a.14] - PART 274a—CONTROL OF EMPLOYMENT OF ALIENS

• Part 280 [§ 280.1 - § 280.53] - PART 280—IMPOSITION AND COLLECTION OF FINES

• Part 281 [§ 281.1 - § 281.2] - PART 281—IMPOSITION AND COLLECTION OF PENALTIES UNDER SECTIONS 240B(d), 274D(a)(1), and 275(b) OF THE ACT

• Part 286 [§ 286.1 - § 286.9] - PART 286—IMMIGRATION USER FEE

• Part 287 [§ 287.1 - § 287.12] - PART 287—FIELD OFFICERS; POWERS AND DUTIES

• Part 289 [§ 289.1 - § 289.3] - PART 289—AMERICAN INDIANS BORN IN CANADA

• Part 292 [§ 292.1 - § 292.6] - PART 292—REPRESENTATION AND APPEARANCES

• Part 293 [§ 293.1 - § 293.3] - PART 293—DEPOSIT OF AND INTEREST ON CASH RECEIVED TO SECURE IMMIGRATION BONDS

• Part 299 [§ 299.1 - § 299.5] - PART 299—IMMIGRATION FORMS

• Part 301 [§ 301.1 - § 301.1] - PART 301—NATIONALS AND CITIZENS OF THE UNITED STATES AT BIRTH

• Part 306 [§ 306.1 - § 306.12] - PART 306—SPECIAL CLASSES OF PERSONS WHO MAY BE NATURALIZED: VIRGIN ISLANDERS

• Part 310 [§ 310.1 - § 310.5] - PART 310—NATURALIZATION AUTHORITY

• Part 312 [§ 312.1 - § 312.5] - PART 312—EDUCATIONAL REQUIREMENTS FOR NATURALIZATION

• Part 313 [§ 313.1 - § 313.4] - PART 313—MEMBERSHIP IN THE COMMUNIST PARTY OR ANY OTHER TOTALITARIAN ORGANIZATIONS

• Part 315 [§ 315.1 - § 315.4] - PART 315—PERSONS INELIGIBLE TO CITIZENSHIP: EXEMPTION FROM MILITARY SERVICE

• Part 316 [§ 316.1 - § 316.20] - PART 316—GENERAL REQUIREMENTS FOR NATURALIZATION

• Part 318 [§ 318.1 - § 318.1] - PART 318—PENDING REMOVAL PROCEEDINGS

• Part 319 [§ 319.1 - § 319.11] - PART 319—SPECIAL CLASSES OF PERSONS WHO MAY BE NATURALIZED: SPOUSES OF UNITED STATES CITIZENS

• Part 320 [§ 320.1 - § 320.5] - PART 320—CHILD BORN OUTSIDE THE UNITED STATES AND RESIDING PERMANENTLY IN THE UNITED STATES; REQUIREMENTS FOR AUTOMATIC ACQUISITION OF CITIZENSHIP

• Part 322 [§ 322.1 - § 322.5] - PART 322—CHILD BORN OUTSIDE THE UNITED STATES; REQUIREMENTS FOR APPLICATION FOR CERTIFICATE OF CITIZENSHIP

• Part 324 [§ 324.1 - § 324.5] - 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 [§ 325.1 - § 325.4] - PART 325—NATIONALS BUT NOT CITIZENS OF THE UNITED STATES; RESIDENCE WITHIN OUTLYING POSSESSIONS

• Part 327 [§ 327.1 - § 327.2] - 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 [§ 328.1 - § 328.4] - PART 328—SPECIAL CLASSES OF PERSONS WHO MAY BE NATURALIZED: PERSONS WITH 1 YEAR OF SERVICE IN THE UNITED STATES ARMED FORCES

• Part 329 [§ 329.1 - § 329.4] - 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 [§ 330.1 - § 330.2] - PART 330—SPECIAL CLASSES OF PERSONS WHO MAY BE NATURALIZED: SEAMEN

• Part 331 [§ 331.1 - § 331.4] - PART 331—ALIEN ENEMIES; NATURALIZATION UNDER SPECIFIED CONDITIONS AND PROCEDURES

• Part 332 [§ 332.1 - § 332.5] - PART 332—NATURALIZATION ADMINISTRATION

• Part 333 [§ 333.1 - § 333.2] - PART 333—PHOTOGRAPHS

• Part 334 [§ 334.1 - § 334.15] - PART 334—APPLICATION FOR NATURALIZATION

• Part 335 [§ 335.1 - § 335.10] - PART 335—EXAMINATION ON APPLICATION FOR NATURALIZATION

• Part 336 [§ 336.1 - § 336.9] - PART 336—HEARINGS ON DENIALS OF APPLICATIONS FOR NATURALIZATION

• Part 337 [§ 337.1 - § 337.10] - PART 337—OATH OF ALLEGIANCE

• Part 338 [§ 338.1 - § 338.10] - PART 338—CERTIFICATE OF NATURALIZATION

• Part 339 [§ 339.1 - § 339.5] - PART 339—FUNCTIONS AND DUTIES OF CLERKS OF COURT REGARDING NATURALIZATION PROCEEDINGS

• Part 340 [§ 340.1 - § 340.2] - PART 340—REVOCATION OF NATURALIZATION

• Part 341 [§ 341.1 - § 341.5] - PART 341—CERTIFICATES OF CITIZENSHIP

• Part 342 [§ 342.1 - § 342.9] - PART 342—ADMINISTRATIVE CANCELLATION OF CERTIFICATES, DOCUMENTS, OR RECORDS

• Part 343 [§ 343.1 - § 343.1] - 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 343a [§ 343a.1 - § 343a.2] - PART 343a—NATURALIZATION AND CITIZENSHIP PAPERS LOST, MUTILATED, OR DESTROYED; NEW CERTIFICATE IN CHANGED NAME; CERTIFIED COPY OF REPATRIATION PROCEEDINGS

• Part 343b [§ 343b.1 - § 343b.11] - PART 343b—SPECIAL CERTIFICATE OF NATURALIZATION FOR RECOGNITION BY A FOREIGN STATE

• Part 343c [§ 343c.1 - § 343c.1] - PART 343c—CERTIFICATIONS FROM RECORDS

• Part 349 [§ 349.1 - § 349.1] - PART 349—LOSS OF NATIONALITY

• Part 392 [§ 392.1 - § 392.4] - 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 393-499 - PARTS 393-499 [RESERVED]