HomeChapter 16Heading 1605

HS Heading 1605 : Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved

HEADING DEFINITION & DISAMBIGUATION

HS Heading 1605 encompasses crustaceans, molluscs and other aquatic invertebrates, prepared or preserved. It classifies 18 6-digit WCO subheadings within Chapter 16 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
1605
Subheadings
18 HS6
Status
Verified 2026

Subheadings Under Heading 1605

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
1605.10 Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved, Crab 16 View 1605.10 Package →
1605.21 Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved, Shrimps and prawns, Not in airtight containers 16 View 1605.21 Package →
1605.29 Shrimps and prawns, Other 16 View 1605.29 Package →
1605.30 Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved, Lobster 16 View 1605.30 Package →
1605.40 Other crustaceans 16 View 1605.40 Package →
1605.51 Molluscs, Oysters 16 View 1605.51 Package →
1605.52 Molluscs, Scallops, including queen scallops 16 View 1605.52 Package →
1605.53 Molluscs, Mussels 16 View 1605.53 Package →
1605.54 Molluscs, Cuttle fish and squid 16 View 1605.54 Package →
1605.55 Molluscs, Octopus 16 View 1605.55 Package →
1605.56 Molluscs, Clams, cockles and arkshells 16 View 1605.56 Package →
1605.57 Molluscs, Abalone 16 View 1605.57 Package →
1605.58 Molluscs, Snails, other than sea snails 16 View 1605.58 Package →
1605.59 Molluscs, Other 16 View 1605.59 Package →
1605.61 Other aquatic invertebrates, Sea cucumbers 16 View 1605.61 Package →
1605.62 Other aquatic invertebrates, Sea urchins 16 View 1605.62 Package →
1605.63 Other aquatic invertebrates, Jellyfish 16 View 1605.63 Package →
1605.69 Other aquatic invertebrates, Other 16 View 1605.69 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 1605

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 1605 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 1605 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 1605 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 1605?
HS Heading 1605 covers Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved, grouping 18 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 1605?
Subheadings under Heading 1605 range from 1605.11 to 1605.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 1605?
US MFN general duty rates for Heading 1605 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 1605?
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 1605?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 1605?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 1605 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 1605?
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 1605?
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 1605?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.