{
  "summary": "HS heading 31.02 covers mineral or chemical fertilisers, nitrogenous. It is in chapter 31 (fertilisers). It is split into 9 subheadings: 3102.10 (urea, whether or not in aqueous solution), 3102.21 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, ammonium sulphate), 3102.29 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, other), 3102.30 (ammonium nitrate, whether or not in aqueous solution), 3102.40 (mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances), 3102.50 (sodium nitrate) and 3 others. National tariff lines under heading 31.02 are live on border.bot for the United States (11 lines, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "Heading",
      "value": "31.02",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Description",
      "value": "Mineral or chemical fertilisers, nitrogenous",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Chapter",
      "value": "31: Fertilisers",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Subheadings",
      "value": "9",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    }
  ],
  "faq": [
    {
      "question": "What does HS heading 31.02 cover?",
      "answer": "HS heading 31.02 covers mineral or chemical fertilisers, nitrogenous."
    },
    {
      "question": "Which chapter is HS heading 31.02 in?",
      "answer": "HS heading 31.02 is in chapter 31 (fertilisers)."
    },
    {
      "question": "How many subheadings does HS heading 31.02 have?",
      "answer": "HS heading 31.02 has 9 subheadings: 3102.10 (urea, whether or not in aqueous solution), 3102.21 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, ammonium sulphate), 3102.29 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, other), 3102.30 (ammonium nitrate, whether or not in aqueous solution), 3102.40 (mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances), 3102.50 (sodium nitrate) and 3 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS heading 31.02?",
      "answer": "National tariff lines under heading 31.02 are live on border.bot for the United States (11 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS heading 31.02 covers mineral or chemical fertilisers, nitrogenous.",
        "It is split into 9 subheadings: 3102.10 (urea, whether or not in aqueous solution), 3102.21 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, ammonium sulphate), 3102.29 (ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate, other), 3102.30 (ammonium nitrate, whether or not in aqueous solution), 3102.40 (mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances), 3102.50 (sodium nitrate) and 3 others."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of chapter 31 are classified in its other 4 headings, listed below."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "Heading 31.02 is one of 5 headings in chapter 31. Its first two digits, 31, are the chapter; the next two, 02, number the heading within it. Its subheadings add two more digits (3102.10, 3102.21, 3102.29)."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under heading 31.02 are live on border.bot for the United States (11 lines, 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-heading",
    "edition": "HS2022",
    "chapter": {
      "code": "31",
      "description": "Fertilisers"
    },
    "heading": {
      "code": "3102",
      "description": "Mineral or chemical fertilisers, nitrogenous"
    },
    "subheadings": [
      {
        "code": "310210",
        "description": "Urea, whether or not in aqueous solution",
        "levels": [
          "Urea, whether or not in aqueous solution"
        ]
      },
      {
        "code": "310221",
        "description": "Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate: Ammonium sulphate",
        "levels": [
          "Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate",
          "Ammonium sulphate"
        ]
      },
      {
        "code": "310229",
        "description": "Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate: Other",
        "levels": [
          "Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate",
          "Other"
        ]
      },
      {
        "code": "310230",
        "description": "Ammonium nitrate, whether or not in aqueous solution",
        "levels": [
          "Ammonium nitrate, whether or not in aqueous solution"
        ]
      },
      {
        "code": "310240",
        "description": "Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances",
        "levels": [
          "Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances"
        ]
      },
      {
        "code": "310250",
        "description": "Sodium nitrate",
        "levels": [
          "Sodium nitrate"
        ]
      },
      {
        "code": "310260",
        "description": "Double salts and mixtures of calcium nitrate and ammonium nitrate",
        "levels": [
          "Double salts and mixtures of calcium nitrate and ammonium nitrate"
        ]
      },
      {
        "code": "310280",
        "description": "Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution",
        "levels": [
          "Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution"
        ]
      },
      {
        "code": "310290",
        "description": "Other, including mixtures not specified in the foregoing subheadings",
        "levels": [
          "Other, including mixtures not specified in the foregoing subheadings"
        ]
      }
    ],
    "otherHeadings": [
      {
        "code": "3101",
        "description": "Animal or vegetable fertilisers, whether or not mixed together or chemically treated; fertilisers produced by the mixing or chemical treatment of animal or vegetable products"
      },
      {
        "code": "3103",
        "description": "Mineral or chemical fertilisers, phosphatic"
      },
      {
        "code": "3104",
        "description": "Mineral or chemical fertilisers, potassic"
      },
      {
        "code": "3105",
        "description": "Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this Chapter in tablets or similar forms or in packages of a gross weight not exceeding 10kg"
      }
    ],
    "previous": {
      "code": "3101",
      "description": "Animal or vegetable fertilisers, whether or not mixed together or chemically treated; fertilisers produced by the mixing or chemical treatment of animal or vegetable products",
      "indexable": false
    },
    "next": {
      "code": "3103",
      "description": "Mineral or chemical fertilisers, phosphatic",
      "indexable": true
    },
    "schedules": [
      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 11,
        "members": 1
      }
    ],
    "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",
        "sourceUrls": []
      }
    ],
    "dateModified": "2026-10-11T06:04:17.693Z",
    "seo": {
      "canonicalPath": "/hs-codes/3102",
      "robots": "index",
      "sitemap": true,
      "reasons": [
        "9 subheadings"
      ]
    }
  },
  "pagination": {
    "page": 1,
    "pages": 1,
    "size": 100,
    "total": 9,
    "prev": null,
    "next": null
  },
  "previous": null,
  "next": "https://border.bot/hs-codes/3103",
  "links": {
    "self": "https://border.bot/hs-codes/3102.json",
    "html": "https://border.bot/hs-codes/3102",
    "canonical": "https://border.bot/hs-codes/3102",
    "markdown": "https://border.bot/hs-codes/3102.md",
    "tools": {
      "calculator": "https://border.bot/tools/landed-cost-calculator",
      "classifier": "https://border.bot/tools/hs-code-classifier",
      "api": "https://api.border.bot/v1"
    }
  },
  "code": "3102",
  "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.",
  "catalogVersion": "08bc53aa"
}