# United States tariff line 4001.22.00.15: Grade L

> In the United States tariff, line 4001.22.00.15 covers natural rubber in other forms, technically specified natural rubber (TSNR), grade L. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4001.22 in heading 40.01 (chapter 40).

Source: https://border.bot/countries/united-states/hs-codes/4001220015
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 40](https://border.bot/countries/united-states/hs-codes/40) / [4001.22](https://border.bot/countries/united-states/hs-codes/400122) / [4001.22.00.15](https://border.bot/countries/united-states/hs-codes/4001220015)

## Key facts

- Tariff line: 4001.22.00.15
- Covers: Natural rubber in other forms, technically specified natural rubber (TSNR), grade L
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [4001.22](https://border.bot/hs-codes/400122)

## What this line covers

In the United States tariff, line 4001.22.00.15 covers natural rubber in other forms, technically specified natural rubber (TSNR), grade L.

Its legal text is “Grade L”, read under “Natural rubber in other forms” and “Technically specified natural rubber (TSNR)”.

## How it is structured

It falls under HS subheading 4001.22 in heading 40.01 (chapter 40). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 40: Rubber and articles thereof
- Heading 40.01: Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip
- Subheading 4001.22: Natural rubber in other forms
- Within the subheading: Technically specified natural rubber (TSNR)
- Line 4001.22.00.15: Grade L

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 4001.22.00.

## In other countries

No other national tariff on border.bot has live lines under 4001.22 yet.

- [The Harmonized System text for 4001.22](https://border.bot/hs-codes/400122)

## Other lines under 4001.22

- [4001.22.00.05](https://border.bot/countries/united-states/hs-codes/4001220005) Grade 5
- [4001.22.00.10](https://border.bot/countries/united-states/hs-codes/4001220010) Grade CV
- [4001.22.00.20](https://border.bot/countries/united-states/hs-codes/4001220020) Grade 10
- [4001.22.00.25](https://border.bot/countries/united-states/hs-codes/4001220025) Grade 20
- [4001.22.00.50](https://border.bot/countries/united-states/hs-codes/4001220050) Other

- Previous line: [4001.22.00.10](https://border.bot/countries/united-states/hs-codes/4001220010) Grade CV
- Next line: [4001.22.00.20](https://border.bot/countries/united-states/hs-codes/4001220020) Grade 10

## Frequently asked questions

### What does tariff line 4001.22.00.15 cover in the United States tariff?

In the United States tariff, line 4001.22.00.15 covers natural rubber in other forms, technically specified natural rubber (TSNR), grade L.

### What is the general (MFN) duty on 4001.22.00.15 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 4001.22.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 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.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/4001220015.json