{
  "summary": "The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "National lines",
      "value": "399",
      "source": null
    },
    {
      "label": "Subheadings",
      "value": "110",
      "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": "55: Man-made staple fibres",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have in HS chapter 55?",
      "answer": "The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "Subheadings with United States lines",
      "text": [
        "The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under chapter 55 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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        "kind": "rates",
        "seq": 1,
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        "kind": "programmes",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "55",
      "description": "Man-made staple fibres"
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    "headings": [
      {
        "code": "5501",
        "description": "Synthetic filament tow",
        "subheadings": [
          {
            "code": "550111",
            "description": "Of nylon or other polyamides: Of aramids",
            "lines": 1
          },
          {
            "code": "550119",
            "description": "Of nylon or other polyamides: Other",
            "lines": 1
          },
          {
            "code": "550120",
            "description": "Of polyesters",
            "lines": 1
          },
          {
            "code": "550130",
            "description": "Acrylic or modacrylic",
            "lines": 2
          },
          {
            "code": "550140",
            "description": "Of polypropylene",
            "lines": 1
          },
          {
            "code": "550190",
            "description": "Other",
            "lines": 1
          }
        ]
      },
      {
        "code": "5502",
        "description": "Artificial filament tow",
        "subheadings": [
          {
            "code": "550210",
            "description": "Of cellulose acetate",
            "lines": 1
          },
          {
            "code": "550290",
            "description": "Other",
            "lines": 1
          }
        ]
      },
      {
        "code": "5503",
        "description": "Synthetic staple fibers, not carded, combed or otherwise processed for spinning",
        "subheadings": [
          {
            "code": "550311",
            "description": "Of nylon or other polyamides: Of aramids",
            "lines": 1
          },
          {
            "code": "550319",
            "description": "Of nylon or other polyamides: Other",
            "lines": 2
          },
          {
            "code": "550320",
            "description": "Of polyesters",
            "lines": 4
          },
          {
            "code": "550330",
            "description": "Acrylic or modacrylic",
            "lines": 1
          },
          {
            "code": "550340",
            "description": "Of polypropylene",
            "lines": 1
          },
          {
            "code": "550390",
            "description": "Other",
            "lines": 2
          }
        ]
      },
      {
        "code": "5504",
        "description": "Artificial staple fibers, not carded, combed or otherwise processed for spinning",
        "subheadings": [
          {
            "code": "550410",
            "description": "Of viscose rayon",
            "lines": 1
          },
          {
            "code": "550490",
            "description": "Other",
            "lines": 1
          }
        ]
      },
      {
        "code": "5505",
        "description": "Waste (including noils, yarn waste and garnetted stock) of man-made fibers",
        "subheadings": [
          {
            "code": "550510",
            "description": "Of synthetic fibres",
            "lines": 3
          },
          {
            "code": "550520",
            "description": "Of artificial fibres",
            "lines": 1
          }
        ]
      },
      {
        "code": "5506",
        "description": "Synthetic staple fibers, carded, combed or otherwise processed for spinning",
        "subheadings": [
          {
            "code": "550610",
            "description": "Of nylon or other polyamides",
            "lines": 1
          },
          {
            "code": "550620",
            "description": "Of polyesters",
            "lines": 1
          },
          {
            "code": "550630",
            "description": "Acrylic or modacrylic",
            "lines": 1
          },
          {
            "code": "550640",
            "description": "Of polypropylene",
            "lines": 1
          },
          {
            "code": "550690",
            "description": "Other",
            "lines": 1
          }
        ]
      },
      {
        "code": "5507",
        "description": "Artificial staple fibres, carded, combed or otherwise processed for spinning",
        "subheadings": [
          {
            "code": "550700",
            "description": "Artificial staple fibres, carded, combed or otherwise processed for spinning",
            "lines": 1
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        ]
      },
      {
        "code": "5508",
        "description": "Sewing thread of man-made staple fibers, whether or not put up for retail sale",
        "subheadings": [
          {
            "code": "550810",
            "description": "Of synthetic staple fibres",
            "lines": 1
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          {
            "code": "550820",
            "description": "Of artificial staple fibres",
            "lines": 1
          }
        ]
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      {
        "code": "5509",
        "description": "Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale",
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            "code": "550911",
            "description": "Containing 85 % or more by weight of staple fibres of nylon or other polyamides: Single yarn",
            "lines": 1
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          {
            "code": "550912",
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            "lines": 1
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          {
            "code": "550922",
            "description": "Containing 85 % or more by weight of polyester staple fibres: Multiple (folded) or cabled yarn",
            "lines": 2
          },
          {
            "code": "550931",
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          {
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            "code": "550941",
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            "lines": 2
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          {
            "code": "550942",
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            "lines": 2
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          {
            "code": "550951",
            "description": "Other yarn, of polyester staple fibres: Mixed mainly or solely with artificial staple fibres",
            "lines": 2
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          {
            "code": "550952",
            "description": "Other yarn, of polyester staple fibres: Mixed mainly or solely with wool or fine animal hair",
            "lines": 1
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          {
            "code": "550953",
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            "lines": 2
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            "code": "550959",
            "description": "Other yarn, of polyester staple fibres: Other",
            "lines": 1
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          {
            "code": "550961",
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            "lines": 1
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          {
            "code": "550962",
            "description": "Other yarn, of acrylic or modacrylic staple fibres: Mixed mainly or solely with cotton",
            "lines": 1
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          {
            "code": "550969",
            "description": "Other yarn, of acrylic or modacrylic staple fibres: Other",
            "lines": 3
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          {
            "code": "550991",
            "description": "Other yarn: Mixed mainly or solely with wool or fine animal hair",
            "lines": 1
          },
          {
            "code": "550992",
            "description": "Other yarn: Mixed mainly or solely with cotton",
            "lines": 1
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          {
            "code": "550999",
            "description": "Other yarn: Other",
            "lines": 3
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        ]
      },
      {
        "code": "5510",
        "description": "Yarn (other than sewing thread) of artificial staple fibers, not put up for retail sale",
        "subheadings": [
          {
            "code": "551011",
            "description": "Containing 85 % or more by weight of artificial staple fibres: Single yarn",
            "lines": 1
          },
          {
            "code": "551012",
            "description": "Containing 85 % or more by weight of artificial staple fibres: Multiple (folded) or cabled yarn",
            "lines": 1
          },
          {
            "code": "551020",
            "description": "Other yarn, mixed mainly or solely with wool or fine animal hair",
            "lines": 1
          },
          {
            "code": "551030",
            "description": "Other yarn, mixed mainly or solely with cotton",
            "lines": 1
          },
          {
            "code": "551090",
            "description": "Other yarn",
            "lines": 3
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      },
      {
        "code": "5511",
        "description": "Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale",
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          {
            "code": "551110",
            "description": "Of synthetic staple fibres, containing 85 % or more by weight of such fibres",
            "lines": 2
          },
          {
            "code": "551120",
            "description": "Of synthetic staple fibres, containing less than 85 % by weight of such fibres",
            "lines": 1
          },
          {
            "code": "551130",
            "description": "Of artificial staple fibres",
            "lines": 1
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        "code": "5512",
        "description": "Woven fabrics of synthetic staple fibers, containing 85 percent or more by weight of synthetic staple fibers",
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          {
            "code": "551211",
            "description": "Containing 85 % or more by weight of polyester staple fibres: Unbleached or bleached",
            "lines": 9
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          {
            "code": "551219",
            "description": "Containing 85 % or more by weight of polyester staple fibres: Other",
            "lines": 11
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          {
            "code": "551221",
            "description": "Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Unbleached or bleached",
            "lines": 8
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            "code": "551229",
            "description": "Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Other",
            "lines": 10
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          {
            "code": "551291",
            "description": "Other: Unbleached or bleached",
            "lines": 8
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          {
            "code": "551299",
            "description": "Other: Other",
            "lines": 10
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        "code": "5513",
        "description": "Woven fabrics of synthetic staple fibers, containing less than 85 percent by weight of such fibers, mixed mainly or solely with cotton, of a weight not exceeding 170 g/m²",
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            "code": "551311",
            "description": "Unbleached or bleached: Of polyester staple fibres, plain weave",
            "lines": 4
          },
          {
            "code": "551312",
            "description": "Unbleached or bleached: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres",
            "lines": 1
          },
          {
            "code": "551313",
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            "lines": 3
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          {
            "code": "551319",
            "description": "Unbleached or bleached: Other woven fabrics",
            "lines": 7
          },
          {
            "code": "551321",
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            "lines": 4
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          {
            "code": "551323",
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            "code": "551329",
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            "code": "551331",
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            "lines": 1
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          {
            "code": "551339",
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            "lines": 3
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          {
            "code": "551341",
            "description": "Printed: Of polyester staple fibres, plain weave",
            "lines": 4
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          {
            "code": "551349",
            "description": "Printed: Other woven fabrics",
            "lines": 11
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            "code": "551411",
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            "lines": 4
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            "code": "551412",
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            "lines": 2
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          {
            "code": "551419",
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            "lines": 8
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          {
            "code": "551421",
            "description": "Dyed: Of polyester staple fibres, plain weave",
            "lines": 4
          },
          {
            "code": "551422",
            "description": "Dyed: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres",
            "lines": 2
          },
          {
            "code": "551423",
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            "lines": 3
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          {
            "code": "551429",
            "description": "Dyed: Other woven fabrics",
            "lines": 5
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          {
            "code": "551430",
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            "lines": 9
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          {
            "code": "551441",
            "description": "Printed: Of polyester staple fibres, plain weave",
            "lines": 4
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          {
            "code": "551442",
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            "lines": 2
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          {
            "code": "551443",
            "description": "Printed: Other woven fabrics of polyester staple fibres",
            "lines": 3
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          {
            "code": "551449",
            "description": "Printed: Other woven fabrics",
            "lines": 5
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      {
        "code": "5515",
        "description": "Other woven fabrics of synthetic staple fibers",
        "subheadings": [
          {
            "code": "551511",
            "description": "Of polyester staple fibres: Mixed mainly or solely with viscose rayon staple fibres",
            "lines": 10
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            "code": "551512",
            "description": "Of polyester staple fibres: Mixed mainly or solely with man-made filaments",
            "lines": 6
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          {
            "code": "551513",
            "description": "Of polyester staple fibres: Mixed mainly or solely with wool or fine animal hair",
            "lines": 4
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          {
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            "code": "551522",
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            "lines": 3
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            "code": "551529",
            "description": "Of acrylic or modacrylic staple fibres: Other",
            "lines": 10
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            "code": "551632",
            "description": "Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with wool or fine animal hair: Dyed",
            "lines": 3
          }
        ]
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