{
  "title": "Tariff numbers by digit length",
  "citation": "Detxct, \"Tariff numbers by digit length\", refreshed 2026-10-02 (quarterly). https://detxct.com/8-digit-hs-code/ (method: https://detxct.com/methodology/)",
  "licence": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "refreshed": "2026-10-02",
  "compared_with": null,
  "editions": [
    "2026-10-02",
    "2026-09-05"
  ],
  "methodology": "Every numbered line of the current schedule is grouped by the length of its number with the dots removed; the level each length means is stated from the schedule's own structure.",
  "columns": [
    "digits",
    "lines",
    "example",
    "level"
  ],
  "rows": [
    {
      "digits": "4",
      "example": "0101",
      "level": "heading: the product group every HS member shares",
      "lines": "961"
    },
    {
      "digits": "6",
      "example": "0101.90",
      "level": "subheading: the last level shared worldwide",
      "lines": "2093"
    },
    {
      "digits": "8",
      "example": "0101.21.00",
      "level": "tariff line: where the United States sets the rate of duty",
      "lines": "6858"
    },
    {
      "digits": "10",
      "example": "0101.21.00.10",
      "level": "statistical suffix: the level reported on an entry",
      "lines": "19949"
    }
  ]
}