# United States tariff lines under HS 0307.72

> The United States tariff splits HS 0307.72 (clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae): Frozen) into 4 national lines: 0307.72.00.30 (geoduck), 0307.72.00.51 (stimsonʼs), 0307.72.00.55 (other) and 0307.72.00.60 (other). Every United States line under 0307.72 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/030772
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) / [0307.72](https://border.bot/countries/united-states/hs-codes/030772)

## Key facts

- HS subheading: [0307.72](https://border.bot/hs-codes/030772)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 03: Fish and crustaceans, molluscs and other aquatic invertebrates

## United States lines under 0307.72

The United States tariff splits HS 0307.72 (clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae): Frozen) into 4 national lines: 0307.72.00.30 (geoduck), 0307.72.00.51 (stimsonʼs), 0307.72.00.55 (other) and 0307.72.00.60 (other).

Every United States line under 0307.72 is free of general (MFN) duty.

- [0307.72.00.30](https://border.bot/countries/united-states/hs-codes/0307720030) Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Frozen, Clams, Geoduck. Duty (MFN): free
- [0307.72.00.51](https://border.bot/countries/united-states/hs-codes/0307720051) Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Frozen, Clams, Stimsonʼs. Duty (MFN): free
- [0307.72.00.55](https://border.bot/countries/united-states/hs-codes/0307720055) Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Frozen, Clams, Other. Duty (MFN): free
- [0307.72.00.60](https://border.bot/countries/united-states/hs-codes/0307720060) Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Frozen, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 0307.72 yet.

- [The Harmonized System text for 0307.72](https://border.bot/hs-codes/030772)

- Previous subheading: [0307.71](https://border.bot/countries/united-states/hs-codes/030771) Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process
- Next subheading: [0307.79](https://border.bot/countries/united-states/hs-codes/030779) Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 0307.72?

The United States tariff splits HS 0307.72 (clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae): Frozen) into 4 national lines: 0307.72.00.30 (geoduck), 0307.72.00.51 (stimsonʼs), 0307.72.00.55 (other) and 0307.72.00.60 (other).

### What is the duty on HS 0307.72 in the United States?

Every United States line under 0307.72 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/030772.json