HTS heading 0307 · Chapter 03
HTS 0307: Molluscs, whether in shell or not, live, fresh,…
HTS heading 0307 covers 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. It has 28 tariff lines with a duty rate; the general (MFN) rates are Free (27 lines), 5% (1 line).
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Oysters: | |||||
| 0307.11.00 | Live, fresh or chilled | Free | Free | ||
| 0307.11.00.20 | Seed oysters[liters, kg] | Estimate → | |||
| Other: | |||||
| 0307.11.00.60 | Farmed[kg] | Estimate → | |||
| 0307.11.00.80 | Other[kg] | Estimate → | |||
| 0307.12.00 | Frozen | Free | Free | ||
| 0307.12.00.60 | Farmed[kg] | Estimate → | |||
| 0307.12.00.80 | Other[kg] | Estimate → | |||
| 0307.19.01 | Other | Free | Free | ||
| 0307.19.01.60 | Farmed[kg] | Estimate → | |||
| 0307.19.01.80 | Other[kg] | Estimate → | |||
| Scallops and other molluscs of the family Pectinidae: | |||||
| 0307.21.00.00 | Live, fresh or chilled[kg] | Free | Free | Estimate → | |
| 0307.22.00.00 | Frozen[kg] | Free | Free | Estimate → | |
| 0307.29.01.00 | Other[kg] | Free | Free | Estimate → | |
| Mussels (Mytilus spp., Perna spp.): | |||||
| 0307.31.00 | Live, fresh or chilled | Free | Free | ||
| 0307.31.00.10 | Farmed[kg] | Estimate → | |||
| 0307.31.00.90 | Other[kg] | Estimate → | |||
| 0307.32.00.00 | Frozen[kg] | Free | Free | Estimate → | |
| 0307.39.01.00 | Other[kg] | Free | Free | Estimate → | |
| Cuttle fish and squid: | |||||
| 0307.42.00 | Live, fresh or chilled | Free | Free | ||
| Squid: | |||||
| 0307.42.00.20 | Loligo[kg] | Estimate → | |||
| 0307.42.00.40 | Other[kg] | Estimate → | |||
| 0307.42.00.60 | Other[kg] | Estimate → | |||
| 0307.43.00 | Frozen | Free | Free | ||
| Squid: | |||||
| 0307.43.00.10 | Fillets[kg] | Estimate → | |||
| Other: | |||||
| Loligo: | |||||
| 0307.43.00.22 | Loligo opalescens[kg] | Estimate → | |||
| 0307.43.00.24 | Loligo pealei[kg] | Estimate → | |||
| 0307.43.00.29 | Other[kg] | Estimate → | |||
| 0307.43.00.50 | Other[kg] | Estimate → | |||
| 0307.43.00.60 | Other[kg] | Estimate → | |||
| 0307.49.01 | Other | Free | Free | ||
| Squid: | |||||
| Loligo: | |||||
| 0307.49.01.22 | Loligo opalescens[kg] | Estimate → | |||
| 0307.49.01.24 | Loligo pealei[kg] | Estimate → | |||
| 0307.49.01.29 | Other[kg] | Estimate → | |||
| 0307.49.01.50 | Other[kg] | Estimate → | |||
| 0307.49.01.60 | Other[kg] | Estimate → | |||
| Octopus (Octopus spp.): | |||||
| 0307.51.00.00 | Live, fresh or chilled[kg] | Free | Free | Estimate → | |
| 0307.52.00.00 | Frozen[kg] | Free | Free | Estimate → | |
| 0307.59.01.00 | Other[kg] | Free | Free | Estimate → | |
| 0307.60.00.00 | Snails, other than sea snails[kg] | 5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | Estimate → |
| Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae): | |||||
| 0307.71.00 | Live, fresh or chilled | Free | Free | ||
| Clams: | |||||
| 0307.71.00.50 | Geoduck[kg] | Estimate → | |||
| 0307.71.00.70 | Other[kg] | Estimate → | |||
| 0307.71.00.90 | Other[kg] | Estimate → | |||
| 0307.72.00 | Frozen | Free | Free | ||
| Clams: | |||||
| 0307.72.00.30 | Geoduck[kg] | Estimate → | |||
| 0307.72.00.51 | Stimsonʼs[kg] | Estimate → | |||
| 0307.72.00.55 | Other[kg] | Estimate → | |||
| 0307.72.00.60 | Other[kg] | Estimate → | |||
| 0307.79.01 | Other | Free | Free | ||
| Clams: | |||||
| 0307.79.01.30 | Geoduck[kg] | Estimate → | |||
| 0307.79.01.51 | Stimsonʼs[kg] | Estimate → | |||
| 0307.79.01.55 | Other[kg] | Estimate → | |||
| 0307.79.01.60 | Other[kg] | Estimate → | |||
| Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.): | |||||
| 0307.81.00.00 | Live, fresh or chilled abalone (Haliotis spp.)[kg] | Free | Free | Estimate → | |
| 0307.82.00.00 | Live, fresh or chilled stromboid conchs (Strombus spp.)[kg] | Free | Free | Estimate → | |
| 0307.83.00.00 | Frozen abalone (Haliotis spp.)[kg] | Free | Free | Estimate → | |
| 0307.84.00.00 | Frozen stromboid conchs (Strombus spp.)[kg] | Free | Free | Estimate → | |
| 0307.87.00.00 | Other abalone (Haliotis spp.)[kg] | Free | Free | Estimate → | |
| 0307.88.00.00 | Other stromboid conchs (Strombus spp.)[kg] | Free | Free | Estimate → | |
| Other: | |||||
| 0307.91.03 | Live, fresh or chilled | Free | Free | ||
| 0307.91.03.30 | Conch[kg] | Estimate → | |||
| 0307.91.03.90 | Other[kg] | Estimate → | |||
| 0307.92.01 | Frozen | Free | Free | ||
| 0307.92.01.30 | Conch[kg] | Estimate → | |||
| 0307.92.01.90 | Other[kg] | Estimate → | |||
| 0307.99.03.00 | Other[kg] | Free | Free | Estimate → |
66 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 0307.60.00.00 at the general rate of 5%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (5%) | $500.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $547.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
