# HS heading 10.05: Maize (corn)

> HS heading 10.05 covers maize (corn). It is in chapter 10 (cereals). It is split into 2 subheadings: 1005.10 (seed) and 1005.90 (other). National tariff lines under heading 10.05 are live on border.bot for the United States (6 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/1005
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 10](https://border.bot/hs-codes/10) / [10.05](https://border.bot/hs-codes/1005)

## Key facts

- Heading: 10.05
- Description: Maize (corn)
- Chapter: 10: Cereals
- Subheadings: 2
- Edition: HS2022

## What this code covers

HS heading 10.05 covers maize (corn).

It is split into 2 subheadings: 1005.10 (seed) and 1005.90 (other).

- [1005.10](https://border.bot/hs-codes/100510) Seed
- [1005.90](https://border.bot/hs-codes/100590) Other

## What it doesn’t cover

Other goods of chapter 10 are classified in its other 7 headings, listed below.

- [10.01](https://border.bot/hs-codes/1001) Wheat and meslin
- [10.02](https://border.bot/hs-codes/1002) Rye
- [10.03](https://border.bot/hs-codes/1003) Barley
- [10.04](https://border.bot/hs-codes/1004) Oats
- [10.06](https://border.bot/hs-codes/1006) Rice
- [10.07](https://border.bot/hs-codes/1007) Grain sorghum
- [10.08](https://border.bot/hs-codes/1008) Buckwheat, millet and canary seeds; other cereals

## How it is structured

Heading 10.05 is one of 8 headings in chapter 10. Its first two digits, 10, are the chapter; the next two, 05, number the heading within it. Its subheadings add two more digits (1005.10, 1005.90).

## In other countries

National tariff lines under heading 10.05 are live on border.bot for the United States (6 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/10): 6 lines, used by 1 other country

- Previous heading: [10.04](https://border.bot/hs-codes/1004) Oats
- Next heading: [10.06](https://border.bot/hs-codes/1006) Rice

## Frequently asked questions

### What does HS heading 10.05 cover?

HS heading 10.05 covers maize (corn).

### Which chapter is HS heading 10.05 in?

HS heading 10.05 is in chapter 10 (cereals).

### How many subheadings does HS heading 10.05 have?

HS heading 10.05 has 2 subheadings: 1005.10 (seed) and 1005.90 (other).

### Which countries’ tariffs list national lines under HS heading 10.05?

National tariff lines under heading 10.05 are live on border.bot for the United States (6 lines, 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/1005.json