# HS code 3101.00: 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

> HS code 3101.00 covers 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. It sits in heading 31.01 (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) in chapter 31 (fertilisers). It is the only subheading of heading 31.01, so every good of the heading is classified here. National tariff lines under 3101.00 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/310100
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 31](https://border.bot/hs-codes/31) / [31.01](https://border.bot/hs-codes/3101) / [3101.00](https://border.bot/hs-codes/310100)

## Key facts

- HS code: 3101.00
- Covers: 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
- Heading: [31.01: 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](https://border.bot/hs-codes/3101)
- Chapter: [31: Fertilisers](https://border.bot/hs-codes/31)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/310100)

## What this code covers

HS code 3101.00 covers 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.

The legal text of the subheading is “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”, in HS2022.

## What it doesn’t cover

It is the only subheading of heading 31.01, so every good of the heading is classified here.

## How it is structured

3101.00 is a six-digit subheading. Its first two digits, 31, are the chapter; the first four, 3101, are heading 31.01; the last two, 00, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 31: Fertilisers
- Heading 31.01: 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
- Subheading 3101.00: 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

## In other countries

National tariff lines under 3101.00 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/310100): 1 line, used by 1 other country

- Previous subheading: [3006.93](https://border.bot/hs-codes/300693) Other: Placebos and blinded (or double-blinded) clinical trial kits for a recognised clinical trial, put up in measured doses
- Next subheading: [3102.10](https://border.bot/hs-codes/310210) Urea, whether or not in aqueous solution

## Frequently asked questions

### What does HS code 3101.00 cover?

HS code 3101.00 covers 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.

### Which heading and chapter is HS code 3101.00 in?

HS code 3101.00 is in heading 31.01 (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) in chapter 31 (fertilisers).

### Where are goods of heading 31.01 classified when 3101.00 doesn’t fit?

3101.00 is the only subheading of heading 31.01, so every good of the heading is classified there.

### Which countries’ tariffs list national lines under HS code 3101.00?

National tariff lines under 3101.00 are live on border.bot for the United States (1 line, also used by 1 other country).

## Sources and updates

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.

Machine-readable: https://border.bot/hs-codes/310100.json