Reference library
Title 19 CFR
The Customs Regulations, by part and section — 2025 Annual Edition, the version designated for the exam. Learn where each rule lives so you can reach it fast under the clock.
2025 Annual Edition (Parts 1 to End) · data as of July 24, 2026
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- §4Part 488
- §10Part 10555
- §12Part 12103
- §18Part 1829
- §19Part 1945
- §24Customs Financial and Accounting Procedure30
- §101Part 10111
- §102Rules of Origin15
- §111Customs Brokers76
- §113Customs Bonds57
- §114Part 11416
- §118Part 11812
- §122Part 122124
- §123Part 12343
- §127Part 12727
- §132Quotas20
- §133Trademarks, Trade Names, and Copyrights35
- §134Country of Origin Marking33
- §141Entry of Merchandise69
- §142Entry Process40
- §143Special Entry Procedures36
- §144Part 14431
- §145Part 14542
- §146Foreign Trade Zones57
- §148Part 14881
- §151Part 15160
- §152Classification and Appraisement of Merchandise21
- §158Part 15828
- §159Liquidation of Duties41
- §161Part 1617
- §163Recordkeeping14
- §165Investigation of Claims of Evasion of Antidumping and Countervailing Duties29
- §171Fines, Penalties, and Forfeitures30
- §172Claims for Liquidated Damages; Penalties Secured by Bonds17
- §173Administrative Review in General7
- §174Part 17422
- §177Part 17725
- §181North American Free Trade Agreement / USMCA58
- §182Part 18261
- §190Modernized Drawback108
- §351Part 35199