Heading 0307

HTS code 0307Molluscs, 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

Chapter
03Fish and seafood
Tariff lines
54
General duty
General duty rate of 5%, with 53 duty-free lines

Tariff lines under heading 0307

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
0307.11.0020Seed oysters (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 > Oysters > Live, fresh or chilled)Freeliters, kg
0307.11.0060Farmed (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 > Oysters > Live, fresh or chilled > Other)Freekg
0307.11.0080Other (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 > Oysters > Live, fresh or chilled > Other)Freekg
0307.12.0060Farmed (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 > Oysters > Frozen)Freekg
0307.12.0080Other (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 > Oysters > Frozen)Freekg
0307.19.0160Farmed (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 > Oysters > Other)Freekg
0307.19.0180Other (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 > Oysters > Other)Freekg
0307.21.0000Live, fresh or chilled (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 > Scallops and other molluscs of the family Pectinidae)Freekg
0307.22.0000Frozen (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 > Scallops and other molluscs of the family Pectinidae)Freekg
0307.29.0100Other (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 > Scallops and other molluscs of the family Pectinidae)Freekg
0307.31.0010Farmed (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 > Mussels (Mytilus spp., Perna spp.) > Live, fresh or chilled)Freekg
0307.31.0090Other (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 > Mussels (Mytilus spp., Perna spp.) > Live, fresh or chilled)Freekg
0307.32.0000Frozen (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 > Mussels (Mytilus spp., Perna spp.))Freekg
0307.39.0100Other (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 > Mussels (Mytilus spp., Perna spp.))Freekg
0307.42.0020Loligo (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 > Cuttle fish and squid > Live, fresh or chilled > Squid)Freekg
0307.42.0040Other (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 > Cuttle fish and squid > Live, fresh or chilled > Squid)Freekg
0307.42.0060Other (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 > Cuttle fish and squid > Live, fresh or chilled)Freekg
0307.43.0010Fillets (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 > Cuttle fish and squid > Frozen > Squid)Freekg
0307.43.0022Loligo opalescens (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 > Cuttle fish and squid > Frozen > Squid > Other > Loligo)Freekg
0307.43.0024Loligo pealei (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 > Cuttle fish and squid > Frozen > Squid > Other > Loligo)Freekg
0307.43.0029Other (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 > Cuttle fish and squid > Frozen > Squid > Other > Loligo)Freekg
0307.43.0050Other (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 > Cuttle fish and squid > Frozen > Squid > Other)Freekg
0307.43.0060Other (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 > Cuttle fish and squid > Frozen)Freekg
0307.49.0122Loligo opalescens (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 > Cuttle fish and squid > Other > Squid > Loligo)Freekg
0307.49.0124Loligo pealei (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 > Cuttle fish and squid > Other > Squid > Loligo)Freekg
0307.49.0129Other (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 > Cuttle fish and squid > Other > Squid > Loligo)Freekg
0307.49.0150Other (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 > Cuttle fish and squid > Other > Squid)Freekg
0307.49.0160Other (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 > Cuttle fish and squid > Other)Freekg
0307.51.0000Live, fresh or chilled (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 > Octopus (Octopus spp.))Freekg
0307.52.0000Frozen (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 > Octopus (Octopus spp.))Freekg
0307.59.0100Other (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 > Octopus (Octopus spp.))Freekg
0307.60.0000Snails, other than sea snails (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)5%kg
0307.71.0050Geoduck (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Live, fresh or chilled > Clams)Freekg
0307.71.0070Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Live, fresh or chilled > Clams)Freekg
0307.71.0090Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Live, fresh or chilled)Freekg
0307.72.0030Geoduck (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Frozen > Clams)Freekg
0307.72.0051Stimsonʼs (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Frozen > Clams)Freekg
0307.72.0055Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Frozen > Clams)Freekg
0307.72.0060Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Frozen)Freekg
0307.79.0130Geoduck (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Other > Clams)Freekg
0307.79.0151Stimsonʼs (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Other > Clams)Freekg
0307.79.0155Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Other > Clams)Freekg
0307.79.0160Other (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 > Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae) > Other)Freekg
0307.81.0000Live, fresh or chilled abalone (Haliotis spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.82.0000Live, fresh or chilled stromboid conchs (Strombus spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.83.0000Frozen abalone (Haliotis spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.84.0000Frozen stromboid conchs (Strombus spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.87.0000Other abalone (Haliotis spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.88.0000Other stromboid conchs (Strombus spp.) (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 > Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.))Freekg
0307.91.0330Conch (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 > Other > Live, fresh or chilled)Freekg
0307.91.0390Other (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 > Other > Live, fresh or chilled)Freekg
0307.92.0130Conch (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 > Other > Frozen)Freekg
0307.92.0190Other (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 > Other > Frozen)Freekg
0307.99.0300Other (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 > Other)Freekg

Documents required to import under 0307

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

  • USDA Import PermitRequired

    Must be obtained before shipment arrives

  • Veterinary Health CertificateRequired

    Issued by official vet in country of origin

  • APHIS Import Permit for Animal Products (VS 17-129)Conditional

    Required for animal products, byproducts, or in-transit shipments

  • FWS Wildlife Declaration (Form 3-177)Conditional

    Required for wildlife, wildlife products, or CITES-listed species

    Filed with U.S. Fish & Wildlife Service at a designated port

  • FDA Prior NoticeRequired

    Must be submitted 2-8 hours before arrival

  • Phytosanitary CertificateConditional

    Required for plant-based products

Common questions

What is HTS code 0307?
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 sits in Chapter 03 (fish and seafood) of the US Harmonized Tariff Schedule and contains 54 tariff lines.
What is the duty rate for HTS 0307?
General duty rate of 5%, with 53 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 0307 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 03