# HS code 1003.10: Seed

> HS code 1003.10 covers seed. It sits in heading 10.03 (barley) in chapter 10 (cereals). Other goods of heading 10.03 are classified under 1003.90 (other). National tariff lines under 1003.10 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/100310
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 10](https://border.bot/hs-codes/10) / [10.03](https://border.bot/hs-codes/1003) / [1003.10](https://border.bot/hs-codes/100310)

## Key facts

- HS code: 1003.10
- Covers: Seed
- Heading: [10.03: Barley](https://border.bot/hs-codes/1003)
- Chapter: [10: Cereals](https://border.bot/hs-codes/10)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/100310)

## What this code covers

HS code 1003.10 covers seed.

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

## What it doesn’t cover

Other goods of heading 10.03 are classified under 1003.90 (other).

- [1003.90](https://border.bot/hs-codes/100390) Other

## How it is structured

1003.10 is a six-digit subheading. Its first two digits, 10, are the chapter; the first four, 1003, are heading 10.03; the last two, 10, identify the subheading within the heading.

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

- Chapter 10: Cereals
- Heading 10.03: Barley
- Subheading 1003.10: Seed

## In other countries

National tariff lines under 1003.10 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/100310): 1 line, used by 1 other country

## Related codes

The same text, “Seed”, also divides 4 other headings in chapter 10: 1002.10 under heading 10.02, 1004.10 under heading 10.04, 1005.10 under heading 10.05 and 1007.10 under heading 10.07.

- [1002.10](https://border.bot/hs-codes/100210) Heading 10.02: Rye
- [1004.10](https://border.bot/hs-codes/100410) Heading 10.04: Oats
- [1005.10](https://border.bot/hs-codes/100510) Heading 10.05: Maize (corn)
- [1007.10](https://border.bot/hs-codes/100710) Heading 10.07: Grain sorghum

- Previous subheading: [1002.90](https://border.bot/hs-codes/100290) Other
- Next subheading: [1003.90](https://border.bot/hs-codes/100390) Other

## Frequently asked questions

### What does HS code 1003.10 cover?

HS code 1003.10 covers seed.

### Which heading and chapter is HS code 1003.10 in?

HS code 1003.10 is in heading 10.03 (barley) in chapter 10 (cereals).

### Where are goods of heading 10.03 classified when 1003.10 doesn’t fit?

Other goods of heading 10.03 are classified under 1003.90 (other).

### Which countries’ tariffs list national lines under HS code 1003.10?

National tariff lines under 1003.10 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/100310.json