HS Code 6903.10 : Containing by weight more than 50 percent of free carbon
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
Tariff data verified: July 2026
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for containing by weight more than 50 percent of free carbon is 6903.10. Under the 2026 New Zealand (NZ Customs), the representative MFN general duty rate is 5% [New Zealand Customs Service].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 69
Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths
Heading 6903
Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths
Subheading .10
.10
Containing by weight more than 50 percent of free carbon
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United StatesUnited KingdomEuropean UnionCanadaMexicoChinaJapanIndiaAustraliaSouth KoreaGermanyNetherlandsBrazilTürkiyeChinese TaipeiVietnamThailandIndonesiaMalaysiaSingaporeSaudi ArabiaUnited Arab EmiratesSouth AfricaEgyptIsraelChileColombiaPeruPhilippinesPakistanNew ZealandNorwayNigeriaKenyaMoroccoArgentinaEcuadorBangladeshUkraineKazakhstanQatarKuwaitOmanJordanBahrainSri LankaTunisiaGhanaCôte d'IvoireGeorgiaCambodiaPanamaCosta RicaDominican Republic
New Zealand (NZ Customs Service)
6903.10
MODULE 5: NEW ZEALAND IMPORT DUTY & GST BREAKDOWN
Notice: New Zealand customs clearance, tariff classification, normal tariff rates, and 15% GST are governed by the New Zealand Customs Service. Always verify declarable lines with NZ Customs prior to import.
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MODULE 6: Mandatory Customs Entry Document Matrix
Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
UNIVERSAL DOCUMENT
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
PREFERENTIAL RULE
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
Standard Entry
This commodity does not carry mandatory PGA pre-clearance flags under the ACE message set.
MODULE 8: NEW ZEALAND Trade Remedies & Safeguards
New Zealand Customs Service Anti-Dumping / Trade Defence
Standard New Zealand Customs Tariff 2026
Steel & Commodity Safeguards
Exempt (Non-Steel Commodity)
Regulatory Compliance Status
Standard Statutory Clearance
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
Browse all preferential trade calculators & compliance tools in our Customs Tools Hub ↗.
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| MFN | WCO Most-Favoured-Nation (MFN) Status | Standard MFN Rate | Applies to all WTO member states for Containing by weight more than 50 percent of free carbon. |
| FTA | New Zealand Preferential & Regional Trade Agreements | Free / Concessional | Subject to official Certificate of Origin & Rules of Origin (RoO) requirements. |
MODULE 10: Logistics, Freight & Transport Specifications
Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Containing by weight more than 50 percent of free carbon
MODULE 11: New Zealand Customs Tariff Ruling
Legally binding tariff rulings issued by New Zealand Customs Service for HS 6903.10.
Query official NZ Customs portal:
Search NZ Customs Portal for 6903.10 →New Zealand Customs Service Lines (6903.10)
National line-level (8/10-digit) detail for New Zealand (NZ Customs): coverage in progress.
Universal 6-digit WCO backbone applied rate: 5%. Confirm the full national commodity code at the official source (New Zealand Customs Service).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 6903.20 | Subheading under Heading 6903 | HS 6903.20 New Zealand Duty & Entry Rules → |
| 6903.90 | Subheading under Heading 6903 | HS 6903.90 New Zealand Duty & Entry Rules → |
Official Primary Sources & Authority References
New Zealand Customs Service Portal ↗
Official NZ Customs Working Tariff, 15% GST, and CPTPP/RCEP rules.
NZ Customs Tariff Ruling System ↗
New Zealand Customs Service binding tariff classification rulings database.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Containing by weight more than 50 percent of free carbon?
Under WCO Harmonized System 2022 and United States (USITC HTS), Containing by weight more than 50 percent of free carbon is classified under HS 6903.10 (Heading 6903, Chapter 69). The representative NZ MFN general duty rate is 5%.
How is HS 6903.10 distinguished within Heading 6903 (Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths)?
Heading 6903 covers Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths. Subheading 6903.10 specifically isolates Containing by weight more than 50 percent of free carbon. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 6903.
What are the primary candidate subheadings related to HS 6903.10?
Related subheadings under Heading 6903 include 6903.20, 6903.90. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Containing by weight more than 50 percent of free carbon?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 6903.10 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Containing by weight more than 50 percent of free carbon?
Commercial shipments of Containing by weight more than 50 percent of free carbon with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 6903.10?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What import VAT or sales tax applies to HS 6903.10 in New Zealand?
Commercial imports of Containing by weight more than 50 percent of free carbon under HS 6903.10 into New Zealand are subject to 15% GST, assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in New Zealand?
The customs de minimis threshold for import shipments into New Zealand is NZD $1,000 (~$600). Consignments under this value may qualify for duty-free or simplified entry under local regulations.
Which authority regulates customs entry and tariff classification in New Zealand?
Customs declarations, import duty assessments, and NZ Customs Tariff Ruling System for HS 6903.10 are administered by New Zealand Customs Service.
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