# United States tariff line 3501.10.50.00: Other

> In the United States tariff, line 3501.10.50.00 covers casein. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3501.10 in heading 35.01 (chapter 35).

Source: https://border.bot/countries/united-states/hs-codes/3501105000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 35](https://border.bot/countries/united-states/hs-codes/35) / [3501.10](https://border.bot/countries/united-states/hs-codes/350110) / [3501.10.50.00](https://border.bot/countries/united-states/hs-codes/3501105000)

## Key facts

- Tariff line: 3501.10.50.00
- Covers: Casein
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3501.10](https://border.bot/hs-codes/350110)

## What this line covers

In the United States tariff, line 3501.10.50.00 covers casein.

Its legal text is “Other”, read under “Casein”.

## How it is structured

It falls under HS subheading 3501.10 in heading 35.01 (chapter 35). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 35: Albuminoidal substances; modified starches; glues; enzymes
- Heading 35.01: Casein, caseinates and other casein derivatives; casein glues
- Subheading 3501.10: Casein
- Line 3501.10.50.00: Other

## Duty

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

## In other countries

No other national tariff on border.bot has live lines under 3501.10 yet.

- [The Harmonized System text for 3501.10](https://border.bot/hs-codes/350110)

## Other lines under 3501.10

- [3501.10.10.00](https://border.bot/countries/united-states/hs-codes/3501101000) Milk protein concentrate

- Previous line: [3501.10.10.00](https://border.bot/countries/united-states/hs-codes/3501101000) Milk protein concentrate
- Next line: [3501.90.20.00](https://border.bot/countries/united-states/hs-codes/3501902000) Casein glues

## Frequently asked questions

### What does tariff line 3501.10.50.00 cover in the United States tariff?

In the United States tariff, line 3501.10.50.00 covers casein.

### What is the general (MFN) duty on 3501.10.50.00 in the United States?

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

## 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/3501105000.json