{
  "summary": "The United States tariff has 30 national lines in HS chapter 50 (silk), under 9 subheadings in 7 headings.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "National lines",
      "value": "30",
      "source": null
    },
    {
      "label": "Subheadings",
      "value": "9",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "50: Silk",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have in HS chapter 50?",
      "answer": "The United States tariff has 30 national lines in HS chapter 50 (silk), under 9 subheadings in 7 headings."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "Subheadings with United States lines",
      "text": [
        "The United States tariff has 30 national lines in HS chapter 50 (silk), under 9 subheadings in 7 headings."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under chapter 50 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "This page was last updated on 9 October 2026.",
        "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling."
      ]
    }
  ],
  "data": {
    "type": "country-chapter",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
      {
        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
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      },
      {
        "dataset": "US:rates",
        "country": "US",
        "kind": "rates",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:36.287Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
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      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      }
    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "50",
      "description": "Silk"
    },
    "headings": [
      {
        "code": "5001",
        "description": "Silk-worm cocoons suitable for reeling",
        "subheadings": [
          {
            "code": "500100",
            "description": "Silk-worm cocoons suitable for reeling",
            "lines": 1
          }
        ]
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        "code": "5002",
        "description": "Raw silk (not thrown)",
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            "code": "500200",
            "description": "Raw silk (not thrown)",
            "lines": 1
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        "code": "5003",
        "description": "Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)",
        "subheadings": [
          {
            "code": "500300",
            "description": "Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)",
            "lines": 2
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        "code": "5004",
        "description": "Silk yarn (other than yarn spun from silk waste) not put up for retail sale",
        "subheadings": [
          {
            "code": "500400",
            "description": "Silk yarn (other than yarn spun from silk waste) not put up for retail sale",
            "lines": 1
          }
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        "code": "5005",
        "description": "Yarn spun from silk waste, not put up for retail sale",
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            "code": "500500",
            "description": "Yarn spun from silk waste, not put up for retail sale",
            "lines": 2
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        "code": "5006",
        "description": "Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut",
        "subheadings": [
          {
            "code": "500600",
            "description": "Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut",
            "lines": 2
          }
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      {
        "code": "5007",
        "description": "Woven fabrics of silk or of silk waste",
        "subheadings": [
          {
            "code": "500710",
            "description": "Fabrics of noil silk",
            "lines": 7
          },
          {
            "code": "500720",
            "description": "Other fabrics, containing 85 % or more by weight of silk or of silk waste other than noil silk",
            "lines": 7
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          {
            "code": "500790",
            "description": "Other fabrics",
            "lines": 7
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        ]
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    ],
    "lines": 30,
    "previous": {
      "code": "49",
      "description": "Other printed matter, including printed pictures and photographs",
      "indexable": true
    },
    "next": {
      "code": "51",
      "description": "Wool, not carded or combed",
      "indexable": true
    },
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    "pages": 1,
    "size": 100,
    "total": 9,
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  "next": "https://border.bot/countries/united-states/hs-codes/51",
  "links": {
    "self": "https://border.bot/countries/united-states/hs-codes/50.json",
    "html": "https://border.bot/countries/united-states/hs-codes/50",
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  "code": "50",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.",
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}