{
  "summary": "HS code 3907.70 covers poly(lactic acid). It sits in heading 39.07 (polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms) in chapter 39 (plastics and articles thereof). Other goods of heading 39.07 are classified under 3907.10 (polyacetals), 3907.21 (other polyethers, bis(polyoxyethylene) methylphosphonate), 3907.29 (other polyethers, other), 3907.30 (epoxide resins) or 6 others. National tariff lines under 3907.70 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "3907.70",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Poly(lactic acid)",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "39.07: Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/3907"
    },
    {
      "label": "Chapter",
      "value": "39: Plastics and articles thereof",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/39"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/390770"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 3907.70 cover?",
      "answer": "HS code 3907.70 covers poly(lactic acid)."
    },
    {
      "question": "Which heading and chapter is HS code 3907.70 in?",
      "answer": "HS code 3907.70 is in heading 39.07 (polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms) in chapter 39 (plastics and articles thereof)."
    },
    {
      "question": "Where are goods of heading 39.07 classified when 3907.70 doesn’t fit?",
      "answer": "Other goods of heading 39.07 are classified under 3907.10 (polyacetals), 3907.21 (other polyethers, bis(polyoxyethylene) methylphosphonate), 3907.29 (other polyethers, other), 3907.30 (epoxide resins) or 6 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 3907.70?",
      "answer": "National tariff lines under 3907.70 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 3907.70 covers poly(lactic acid).",
        "The legal text of the subheading is “Poly(lactic acid)”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 39.07 are classified under 3907.10 (polyacetals), 3907.21 (other polyethers, bis(polyoxyethylene) methylphosphonate), 3907.29 (other polyethers, other), 3907.30 (epoxide resins) or 6 others."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "3907.70 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3907, are heading 39.07; the last two, 70, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 3907.70 are live on border.bot for the United States (1 line, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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": "hs-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "39",
      "description": "Plastics and articles thereof"
    },
    "heading": {
      "code": "3907",
      "description": "Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms"
    },
    "subheading": {
      "code": "390770",
      "description": "Poly(lactic acid)",
      "levels": [
        "Poly(lactic acid)"
      ],
      "english": null,
      "keywords": []
    },
    "siblings": [
      {
        "code": "390710",
        "description": "Polyacetals"
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      {
        "code": "390721",
        "description": "Other polyethers: Bis(polyoxyethylene) methylphosphonate"
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      {
        "code": "390729",
        "description": "Other polyethers: Other"
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      {
        "code": "390730",
        "description": "Epoxide resins"
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      {
        "code": "390740",
        "description": "Polycarbonates"
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      {
        "code": "390750",
        "description": "Alkyd resins"
      },
      {
        "code": "390761",
        "description": "Poly(ethylene terephthalate): Having a viscosity number of 78ml/g or higher"
      },
      {
        "code": "390769",
        "description": "Poly(ethylene terephthalate): Other"
      },
      {
        "code": "390791",
        "description": "Other polyesters: Unsaturated"
      },
      {
        "code": "390799",
        "description": "Other polyesters: Other"
      }
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    "related": [],
    "previous": {
      "code": "390769",
      "description": "Poly(ethylene terephthalate): Other",
      "indexable": true
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    "next": {
      "code": "390791",
      "description": "Other polyesters: Unsaturated",
      "indexable": true
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    "schedules": [
      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1,
        "members": 1
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    ],
    "provenance": [
      {
        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
        "origin": "upload",
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  "code": "390770",
  "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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