• Part 0 [§ 0.1 - § 0.2] - PART 0—TRANSFERRED OR DELEGATED AUTHORITY

• Part 1-3 - PARTS 1-3 [RESERVED]

• Part 4 [§ 4.0 - § 4.101] - PART 4—VESSELS IN FOREIGN AND DOMESTIC TRADES

• Part 7 [§ 7.1 - § 7.11] - PART 7—CUSTOMS RELATIONS WITH INSULAR POSSESSIONS AND GUANTANAMO BAY NAVAL STATION

• Part 10 [§ 10.1 - § 10.3034] - PART 10—ARTICLES CONDITIONALLY FREE, SUBJECT TO A REDUCED RATE, ETC.

• Part 11 [§ 11.1 - § 11.13] - PART 11—PACKING AND STAMPING; MARKING

• Part 12 [§ 12.1 - § 12.152] - PART 12—SPECIAL CLASSES OF MERCHANDISE

• Part 18 [§ 18.0 - § 18.46] - PART 18—TRANSPORTATION IN BOND AND MERCHANDISE IN TRANSIT

• Part 19 [§ 19.1 - § 19.49] - PART 19—CUSTOMS WAREHOUSES, CONTAINER STATIONS AND CONTROL OF MERCHANDISE THEREIN

• Part 24 [§ 24.1 - § 24.73] - PART 24—CUSTOMS FINANCIAL AND ACCOUNTING PROCEDURE

• Part 54 [§ 54.5 - § 54.6] - PART 54—CERTAIN IMPORTATIONS TEMPORARILY FREE OF DUTY

• Part 101 [§ 101.0 - § 101.10] - PART 101—GENERAL PROVISIONS

• Part 102 [§ 102.0 - § 102.25] - PART 102—RULES OF ORIGIN

• Part 103 [§ 103.0 - § 103.34] - PART 103—AVAILABILITY OF INFORMATION

• Part 111 [§ 111.0 - § 111.104] - PART 111—CUSTOMS BROKERS

• Part 112 [§ 112.0 - § 112.49] - PART 112—CARRIERS, CARTMEN, AND LIGHTERMEN

• Part 113 [§ 113.0 - § 113.75] - PART 113—CBP BONDS

• Part 114 [§ 114.0 - § 114.34] - PART 114—CARNETS

• Part 115 [§ 115.1 - § 115.68] - PART 115—CARGO CONTAINER AND ROAD VEHICLE CERTIFICATION PURSUANT TO INTERNATIONAL CUSTOMS CONVENTIONS

• Part 118 [§ 118.0 - § 118.23] - PART 118—CENTRALIZED EXAMINATION STATIONS

• Part 122 [§ 122.0 - § 122.189] - PART 122—AIR COMMERCE REGULATIONS

• Part 123 [§ 123.0 - § 123.92] - PART 123—CBP RELATIONS WITH CANADA AND MEXICO

• Part 125 [§ 125.0 - § 125.42] - PART 125—CARTAGE AND LIGHTERAGE OF MERCHANDISE

• Part 127 [§ 127.0 - § 127.43] - PART 127—GENERAL ORDER, UNCLAIMED, AND ABANDONED MERCHANDISE

• Part 128 [§ 128.0 - § 128.25] - PART 128—EXPRESS CONSIGNMENTS

• Part 132 [§ 132.0 - § 132.25] - PART 132—QUOTAS

• Part 133 [§ 133.0 - § 133.61] - PART 133—TRADEMARKS, TRADE NAMES, AND COPYRIGHTS

• Part 134 [§ 134.0 - § 134.55] - PART 134—COUNTRY OF ORIGIN MARKING

• Part 135-140 - PARTS 135-140 [RESERVED]