# United States tariff lines under HS 0303.42

> The United States tariff splits HS 0303.42 (tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Yellowfin tunas (Thunnus albacares)) into 3 national lines: 0303.42.00.20 (whole fish), 0303.42.00.40 (head-on) and 0303.42.00.60 (other). Every United States line under 0303.42 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/030342
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 03](https://border.bot/countries/united-states/hs-codes/03) / [0303.42](https://border.bot/countries/united-states/hs-codes/030342)

## Key facts

- HS subheading: [0303.42](https://border.bot/hs-codes/030342)
- Duty (MFN): Free
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 03: Fish and crustaceans, molluscs and other aquatic invertebrates

## United States lines under 0303.42

The United States tariff splits HS 0303.42 (tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Yellowfin tunas (Thunnus albacares)) into 3 national lines: 0303.42.00.20 (whole fish), 0303.42.00.40 (head-on) and 0303.42.00.60 (other).

Every United States line under 0303.42 is free of general (MFN) duty.

- [0303.42.00.20](https://border.bot/countries/united-states/hs-codes/0303420020) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303.91 to 0303.99, Yellowfin tunas (Thunnus albacares), Whole fish. Duty (MFN): free
- [0303.42.00.40](https://border.bot/countries/united-states/hs-codes/0303420040) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303.91 to 0303.99, Yellowfin tunas (Thunnus albacares), Other, Head-on. Duty (MFN): free
- [0303.42.00.60](https://border.bot/countries/united-states/hs-codes/0303420060) Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303.91 to 0303.99, Yellowfin tunas (Thunnus albacares), Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 0303.42 yet.

- [The Harmonized System text for 0303.42](https://border.bot/hs-codes/030342)

- Previous subheading: [0303.41](https://border.bot/countries/united-states/hs-codes/030341) Fish, frozen, excluding fish fillets and other fish meat of heading 0304
- Next subheading: [0303.43](https://border.bot/countries/united-states/hs-codes/030343) Fish, frozen, excluding fish fillets and other fish meat of heading 0304

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 0303.42?

The United States tariff splits HS 0303.42 (tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 0303 91 to 0303 99: Yellowfin tunas (Thunnus albacares)) into 3 national lines: 0303.42.00.20 (whole fish), 0303.42.00.40 (head-on) and 0303.42.00.60 (other).

### What is the duty on HS 0303.42 in the United States?

Every United States line under 0303.42 is 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/030342.json