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Title 19

Displaying title 19, up to date as of 7/16/2026. Title 19 was last amended 6/24/2026.
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Title 19Customs DutiesPart / Section
Chapter IU.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury0 – 199
Part 181North American Free Trade Agreement181.0 – 181.132
§ 181.0Scope.
Subpart AGeneral Provisions181.1
§ 181.1Definitions.
Subpart BExport Requirements181.11 – 181.13
§ 181.11Certificate of Origin.
§ 181.12Maintenance and availability of records.
§ 181.13Failure to comply with requirements.
Subpart CImport Requirements181.21 – 181.23
Subpart DPost-Importation Duty Refund Claims181.31 – 181.33
Subpart ERestrictions on Drawback and Duty-Deferral Programs181.41 – 181.54
Subpart FCommercial Samples and Goods Returned After Repair or Alteration181.61 – 181.64
Subpart GOrigin Verifications and Determinations181.71 – 181.76
Subpart HPenalties181.81 – 181.82
§ 181.81Applicability to NAFTA transactions.
§ 181.82Exceptions to application of penalties.
Subpart IAdvance Ruling Procedures181.91 – 181.102
Subpart JReview and Appeal of Adverse Marking Decisions181.111 – 181.116
Subpart KConfidentiality of Business Information181.121 – 181.122
§ 181.121Maintenance of confidentiality.
§ 181.122Disclosure to government authorities.
Subpart LRules of Origin181.131 – 181.132
§ 181.131Rules of origin.
§ 181.132Disassembly.
Appendix to Part 181
Rules of Origin Regulations