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HS Heading 0508 : Coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttlebone, unworked or simply prepared but not cut to shape, powder and waste thereof

HEADING DEFINITION & DISAMBIGUATION

HS Heading 0508 encompasses coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttlebone, unworked or simply prepared but not cut to shape, powder and waste thereof. It classifies 1 6-digit WCO subheadings within Chapter 05 under the Harmonized System [USITC HTS 2026].

Chapter

Ch 05

Heading

0508

Subheadings

1 HS6

Status

Verified 2026

Subheadings Under Heading 0508

HS Code	WCO 6-Digit Subheading Description	Chapter	Operational Package
0508.00	Coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttlebone, unworked or simply prepared but not cut to shape, powder and waste thereof	05	View 0508.00 Package →

DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 0508

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 0508 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 0508 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 0508 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 0508?

HS Heading 0508 covers Coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttlebone, unworked or simply prepared but not cut to shape, powder and waste thereof, grouping 1 6-digit WCO subheadings.

How are 6-digit subheadings structured under Heading 0508?

Subheadings under Heading 0508 range from 0508.11 to 0508.90, classifying goods by processing state, origin, or material composition.

What is the representative US import duty rate for Heading 0508?

US MFN general duty rates for Heading 0508 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 0508?

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 0508?

Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.

How do I distinguish between subheadings under Heading 0508?

Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.

Can goods under Heading 0508 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 0508?

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 0508?

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 0508?

Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.