{
  "version": "ecfr-title19-2026.1",
  "effectiveDate": "2026-09-21",
  "source": "Electronic Code of Federal Regulations, Title 19 — Customs Duties",
  "sourceUrl": "https://www.ecfr.gov/current/title-19",
  "licence": "public domain (work of the United States Government, 17 U.S.C. 105)",
  "attribution": [
    "Office of the Federal Register and the Government Publishing Office, eCFR"
  ],
  "cadence": "Checked monthly.",
  "note": "Pointers to the parts of 19 CFR that govern entry, classification, liquidation and protest. Citations only — this service does not reproduce or interpret regulation text.",
  "counts": {
    "parts": 10
  },
  "parts": [
    {
      "part": "141",
      "title": "Entry of Merchandise",
      "citation": "19 CFR 141",
      "url": "https://www.ecfr.gov/current/title-19/part-141",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "142",
      "title": "Entry Process",
      "citation": "19 CFR 142",
      "url": "https://www.ecfr.gov/current/title-19/part-142",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "152",
      "title": "Classification and Appraisement of Merchandise",
      "citation": "19 CFR 152",
      "url": "https://www.ecfr.gov/current/title-19/part-152",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "159",
      "title": "Liquidation of Duties",
      "citation": "19 CFR 159",
      "url": "https://www.ecfr.gov/current/title-19/part-159",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "162",
      "title": "Inspection, Search, and Seizure",
      "citation": "19 CFR 162",
      "url": "https://www.ecfr.gov/current/title-19/part-162",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "163",
      "title": "Recordkeeping",
      "citation": "19 CFR 163",
      "url": "https://www.ecfr.gov/current/title-19/part-163",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "174",
      "title": "Protests",
      "citation": "19 CFR 174",
      "url": "https://www.ecfr.gov/current/title-19/part-174",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "177",
      "title": "Administrative Rulings",
      "citation": "19 CFR 177",
      "url": "https://www.ecfr.gov/current/title-19/part-177",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "181",
      "title": "North American Free Trade Agreement",
      "citation": "19 CFR 181",
      "url": "https://www.ecfr.gov/current/title-19/part-181",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    },
    {
      "part": "182",
      "title": "United States-Mexico-Canada Agreement",
      "citation": "19 CFR 182",
      "url": "https://www.ecfr.gov/current/title-19/part-182",
      "chapter": " Chapter I—U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury"
    }
  ]
}