# United States tariff line 4901.91.00.20: Dictionaries (including thesauruses)

> In the United States tariff, line 4901.91.00.20 covers dictionaries and encyclopedias, and serial installments thereof, dictionaries (including thesauruses). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4901.91 in heading 49.01 (chapter 49).

Source: https://border.bot/countries/united-states/hs-codes/4901910020
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 49](https://border.bot/countries/united-states/hs-codes/49) / [4901.91](https://border.bot/countries/united-states/hs-codes/490191) / [4901.91.00.20](https://border.bot/countries/united-states/hs-codes/4901910020)

## Key facts

- Tariff line: 4901.91.00.20
- Covers: Dictionaries and encyclopedias, and serial installments thereof, dictionaries (including thesauruses)
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [4901.91](https://border.bot/hs-codes/490191)

## What this line covers

In the United States tariff, line 4901.91.00.20 covers dictionaries and encyclopedias, and serial installments thereof, dictionaries (including thesauruses).

Its legal text is “Dictionaries (including thesauruses)”, read under “Other” and “Dictionaries and encyclopedias, and serial installments thereof”.

## How it is structured

It falls under HS subheading 4901.91 in heading 49.01 (chapter 49). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 49: Printed books, newspapers, pictures and other products of the printing industry; manuscripts, typescripts and plans
- Heading 49.01: Printed books, brochures, leaflets and similar printed matter, whether or not in single sheets
- Subheading 4901.91: Other
- Within the subheading: Dictionaries and encyclopedias, and serial installments thereof
- Line 4901.91.00.20: Dictionaries (including thesauruses)

## Duty

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

The rate is published on 4901.91.00.

## In other countries

No other national tariff on border.bot has live lines under 4901.91 yet.

- [The Harmonized System text for 4901.91](https://border.bot/hs-codes/490191)

## Other lines under 4901.91

- [4901.91.00.40](https://border.bot/countries/united-states/hs-codes/4901910040) Encyclopedias

- Previous line: [4901.10.00.40](https://border.bot/countries/united-states/hs-codes/4901100040) Other
- Next line: [4901.91.00.40](https://border.bot/countries/united-states/hs-codes/4901910040) Encyclopedias

## Frequently asked questions

### What does tariff line 4901.91.00.20 cover in the United States tariff?

In the United States tariff, line 4901.91.00.20 covers dictionaries and encyclopedias, and serial installments thereof, dictionaries (including thesauruses).

### What is the general (MFN) duty on 4901.91.00.20 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 4901.91.00.

## 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/4901910020.json