HS Heading 0307 : 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
HEADING DEFINITION & DISAMBIGUATION
HS Heading 0307 encompasses 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 classifies 28 6-digit WCO subheadings within Chapter 03 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 0307
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 0307.11 | Oysters, Live, fresh or chilled | 03 | View 0307.11 Package → |
| 0307.12 | Oysters, Frozen | 03 | View 0307.12 Package → |
| 0307.19 | 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 | 03 | View 0307.19 Package → |
| 0307.21 | Scallops and other molluscs of the family Pectinidae, Live, fresh or chilled | 03 | View 0307.21 Package → |
| 0307.22 | Scallops and other molluscs of the family Pectinidae, Frozen | 03 | View 0307.22 Package → |
| 0307.29 | Scallops and other molluscs of the family Pectinidae, Other | 03 | View 0307.29 Package → |
| 0307.31 | Mussels (Mytilus spp., Perna spp.), Live, fresh or chilled | 03 | View 0307.31 Package → |
| 0307.32 | Mussels (Mytilus spp., Perna spp.), Frozen | 03 | View 0307.32 Package → |
| 0307.39 | 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.), Other | 03 | View 0307.39 Package → |
| 0307.42 | Cuttle fish and squid, Live, fresh or chilled | 03 | View 0307.42 Package → |
| 0307.43 | Cuttle fish and squid, Frozen | 03 | View 0307.43 Package → |
| 0307.49 | 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 | 03 | View 0307.49 Package → |
| 0307.51 | Octopus (Octopus spp.), Live, fresh or chilled | 03 | View 0307.51 Package → |
| 0307.52 | Octopus (Octopus spp.), Frozen | 03 | View 0307.52 Package → |
| 0307.59 | 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.), Other | 03 | View 0307.59 Package → |
| 0307.60 | 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, Snails, other than sea snails | 03 | View 0307.60 Package → |
| 0307.71 | Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Live, fresh or chilled | 03 | View 0307.71 Package → |
| 0307.72 | Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae), Frozen | 03 | View 0307.72 Package → |
| 0307.79 | 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 | 03 | View 0307.79 Package → |
| 0307.81 | Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.), Live, fresh or chilled abalone (Haliotis spp.) | 03 | View 0307.81 Package → |
| 0307.82 | Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.), Live, fresh or chilled stromboid conchs (Strombus spp.) | 03 | View 0307.82 Package → |
| 0307.83 | Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.), Frozen abalone (Haliotis spp.) | 03 | View 0307.83 Package → |
| 0307.84 | Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.), Frozen stromboid conchs (Strombus spp.) | 03 | View 0307.84 Package → |
| 0307.87 | 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.), Other abalone (Haliotis spp.) | 03 | View 0307.87 Package → |
| 0307.88 | 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.), Other stromboid conchs (Strombus spp.) | 03 | View 0307.88 Package → |
| 0307.91 | Other, Live, fresh or chilled | 03 | View 0307.91 Package → |
| 0307.92 | Other, Frozen | 03 | View 0307.92 Package → |
| 0307.99 | 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, Other | 03 | View 0307.99 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 0307
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 0307 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 0307 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.
Heading 0307 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 0307?
HS 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, grouping 28 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 0307?
Subheadings under Heading 0307 range from 0307.11 to 0307.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 0307?
US MFN general duty rates for Heading 0307 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 0307?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 0307?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 0307?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 0307 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 0307?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 0307?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 0307?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.