• Part 141 [§ 141.0 - § 141.113] - PART 141—ENTRY OF MERCHANDISE

• Part 142 [§ 142.0 - § 142.52] - PART 142—ENTRY PROCESS

• Part 143 [§ 143.0 - § 143.45] - PART 143—SPECIAL ENTRY PROCEDURES

• Part 144 [§ 144.0 - § 144.42] - PART 144—WAREHOUSE AND REWAREHOUSE ENTRIES AND WITHDRAWALS

• Part 145 [§ 145.0 - § 145.75] - PART 145—MAIL IMPORTATIONS

• Part 146 [§ 146.0 - § 146.96] - PART 146—FOREIGN TRADE ZONES

• Part 147 [§ 147.0 - § 147.47] - PART 147—TRADE FAIRS

• Part 148 [§ 148.0 - § 148.116] - PART 148—PERSONAL DECLARATIONS AND EXEMPTIONS

• Part 149 [§ 149.1 - § 149.6] - PART 149—IMPORTER SECURITY FILING

• Part 151 [§ 151.0 - § 151.111] - PART 151—EXAMINATION, SAMPLING, AND TESTING OF MERCHANDISE

• Part 152 [§ 152.0 - § 152.108] - PART 152—CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE

• Part 158 [§ 158.0 - § 158.45] - PART 158—RELIEF FROM DUTIES ON MERCHANDISE LOST, DAMAGED, ABANDONED, OR EXPORTED

• Part 159 [§ 159.0 - § 159.64] - PART 159—LIQUIDATION OF DUTIES

• Part 161 [§ 161.0 - § 161.16] - PART 161—GENERAL ENFORCEMENT PROVISIONS

• Part 162 [§ 162.0 - § 162.96] - PART 162—INSPECTION, SEARCH, AND SEIZURE

• Part 163 [§ 163.0 - § 163.13] - PART 163—RECORDKEEPING

• Part 165 [§ 165.0 - § 165.47] - PART 165—INVESTIGATION OF CLAIMS OF EVASION OF ANTIDUMPING AND COUNTERVAILING DUTIES

• Part 171 [§ 171.0 - § 171.64] - PART 171—FINES, PENALTIES, AND FORFEITURES

• Part 172 [§ 172.0 - § 172.43] - PART 172—CLAIMS FOR LIQUIDATED DAMAGES; PENALTIES SECURED BY BONDS

• Part 173 [§ 173.0 - § 173.5] - PART 173—ADMINISTRATIVE REVIEW IN GENERAL

• Part 174 [§ 174.0 - § 174.32] - PART 174—PROTESTS

• Part 175 [§ 175.0 - § 175.31] - PART 175—PETITIONS BY DOMESTIC INTERESTED PARTIES

• Part 176 [§ 176.0 - § 176.31] - PART 176—PROCEEDINGS IN THE COURT OF INTERNATIONAL TRADE

• Part 177 [§ 177.0 - § 177.31] - PART 177—ADMINISTRATIVE RULINGS

• Part 178 [§ 178.1 - § 178.2] - PART 178—APPROVAL OF INFORMATION COLLECTION REQUIREMENTS

• Part 181 [§ 181.0 - § 181.132] - PART 181—NORTH AMERICAN FREE TRADE AGREEMENT

• Part 182 [§ 182.0 - § 182.124] - PART 182—UNITED STATES-MEXICO-CANADA AGREEMENT

• Part 190 [§ 190.0 - § 190.195] - PART 190—MODERNIZED DRAWBACK

• Part 191 [§ 191.0 - § 191.195] - PART 191—DRAWBACK

• Part 192 [§ 192.0 - § 192.14] - PART 192—EXPORT CONTROL

• Part 193-199 - PARTS 193-199 [RESERVED]