# HS heading 45.03: Articles of natural cork

> HS heading 45.03 covers articles of natural cork. It is in chapter 45 (cork and articles of cork). It is split into 2 subheadings: 4503.10 (corks and stoppers) and 4503.90 (other). National tariff lines under heading 45.03 are live on border.bot for the United States (7 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/4503
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 45](https://border.bot/hs-codes/45) / [45.03](https://border.bot/hs-codes/4503)

## Key facts

- Heading: 45.03
- Description: Articles of natural cork
- Chapter: 45: Cork and articles of cork
- Subheadings: 2
- Edition: HS2022

## What this code covers

HS heading 45.03 covers articles of natural cork.

It is split into 2 subheadings: 4503.10 (corks and stoppers) and 4503.90 (other).

- [4503.10](https://border.bot/hs-codes/450310) Corks and stoppers
- [4503.90](https://border.bot/hs-codes/450390) Other

## What it doesn’t cover

Other goods of chapter 45 are classified in its other 3 headings, listed below.

- [45.01](https://border.bot/hs-codes/4501) Natural cork, raw or simply prepared; waste cork; crushed, granulated or ground cork
- [45.02](https://border.bot/hs-codes/4502) Natural cork, debacked or roughly squared, or in rectangular (including square) blocks, plates, sheets or strip (including sharp- edged blanks for corks or stoppers)
- [45.04](https://border.bot/hs-codes/4504) Agglomerated cork (with or without a binding substance) and articles of agglomerated cork

## How it is structured

Heading 45.03 is one of 4 headings in chapter 45. Its first two digits, 45, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (4503.10, 4503.90).

## In other countries

National tariff lines under heading 45.03 are live on border.bot for the United States (7 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/45): 7 lines, used by 1 other country

- Previous heading: [45.02](https://border.bot/hs-codes/4502) Natural cork, debacked or roughly squared, or in rectangular (including square) blocks, plates, sheets or strip (including sharp- edged blanks for corks or stoppers)
- Next heading: [45.04](https://border.bot/hs-codes/4504) Agglomerated cork (with or without a binding substance) and articles of agglomerated cork

## Frequently asked questions

### What does HS heading 45.03 cover?

HS heading 45.03 covers articles of natural cork.

### Which chapter is HS heading 45.03 in?

HS heading 45.03 is in chapter 45 (cork and articles of cork).

### How many subheadings does HS heading 45.03 have?

HS heading 45.03 has 2 subheadings: 4503.10 (corks and stoppers) and 4503.90 (other).

### Which countries’ tariffs list national lines under HS heading 45.03?

National tariff lines under heading 45.03 are live on border.bot for the United States (7 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/4503.json